Home / 1,781,214.40-2,671,821.60-433,366.30

Finding the Fourth Proportional to 1,781,214.40, 2,671,821.60 and 433,366.30

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Solution

The fourth proportional to 1,781,214.40, 2,671,821.60 and 433,366.30 is: 650,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,214.40 : 2,671,821.60 = 433,366.30 : x
  2. Step 2: Convert to fraction form
    1,781,214.40/2,671,821.60 = 433,366.30/x
  3. Step 3: Cross multiply
    1,781,214.40x = 2,671,821.60 × 433,366.30
  4. Step 4: Simplify right side
    1,781,214.40x = 1,157,877,441,052.08
  5. Step 5: Solve for x
    x = 1,157,877,441,052.08/1,781,214.40
  6. Step 6: Final answer
    x = 650,049.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.