Home / 1,208,810.40-1,813,215.60-498,602.40

Finding the Fourth Proportional to 1,208,810.40, 1,813,215.60 and 498,602.40

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Solution

The fourth proportional to 1,208,810.40, 1,813,215.60 and 498,602.40 is: 747,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,810.40 : 1,813,215.60 = 498,602.40 : x
  2. Step 2: Convert to fraction form
    1,208,810.40/1,813,215.60 = 498,602.40/x
  3. Step 3: Cross multiply
    1,208,810.40x = 1,813,215.60 × 498,602.40
  4. Step 4: Simplify right side
    1,208,810.40x = 904,073,649,877.44
  5. Step 5: Solve for x
    x = 904,073,649,877.44/1,208,810.40
  6. Step 6: Final answer
    x = 747,903.60

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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.