Home / 1,430,903.40-2,146,355.10-366,028.80

Finding the Fourth Proportional to 1,430,903.40, 2,146,355.10 and 366,028.80

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Solution

The fourth proportional to 1,430,903.40, 2,146,355.10 and 366,028.80 is: 549,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,903.40 : 2,146,355.10 = 366,028.80 : x
  2. Step 2: Convert to fraction form
    1,430,903.40/2,146,355.10 = 366,028.80/x
  3. Step 3: Cross multiply
    1,430,903.40x = 2,146,355.10 × 366,028.80
  4. Step 4: Simplify right side
    1,430,903.40x = 785,627,781,626.88
  5. Step 5: Solve for x
    x = 785,627,781,626.88/1,430,903.40
  6. Step 6: Final answer
    x = 549,043.20

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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.