Home / 1,357,147.20-2,037,729.60-759,302.40

Finding the Fourth Proportional to 1,357,147.20, 2,037,729.60 and 759,302.40

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Solution

The fourth proportional to 1,357,147.20, 2,037,729.60 and 759,302.40 is: 1,140,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,147.20 : 2,037,729.60 = 759,302.40 : x
  2. Step 2: Convert to fraction form
    1,357,147.20/2,037,729.60 = 759,302.40/x
  3. Step 3: Cross multiply
    1,357,147.20x = 2,037,729.60 × 759,302.40
  4. Step 4: Simplify right side
    1,357,147.20x = 1,547,252,975,831.04
  5. Step 5: Solve for x
    x = 1,547,252,975,831.04/1,357,147.20
  6. Step 6: Final answer
    x = 1,140,077.49

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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.