Home / 1,025,168.40-1,537,752.60-425,930.40

Finding the Fourth Proportional to 1,025,168.40, 1,537,752.60 and 425,930.40

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Solution

The fourth proportional to 1,025,168.40, 1,537,752.60 and 425,930.40 is: 638,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,168.40 : 1,537,752.60 = 425,930.40 : x
  2. Step 2: Convert to fraction form
    1,025,168.40/1,537,752.60 = 425,930.40/x
  3. Step 3: Cross multiply
    1,025,168.40x = 1,537,752.60 × 425,930.40
  4. Step 4: Simplify right side
    1,025,168.40x = 654,975,580,019.04
  5. Step 5: Solve for x
    x = 654,975,580,019.04/1,025,168.40
  6. Step 6: Final answer
    x = 638,895.60

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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.