Home / 1,056,620.48-1,585,325.28-425,713.28

Finding the Fourth Proportional to 1,056,620.48, 1,585,325.28 and 425,713.28

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Solution

The fourth proportional to 1,056,620.48, 1,585,325.28 and 425,713.28 is: 638,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,620.48 : 1,585,325.28 = 425,713.28 : x
  2. Step 2: Convert to fraction form
    1,056,620.48/1,585,325.28 = 425,713.28/x
  3. Step 3: Cross multiply
    1,056,620.48x = 1,585,325.28 × 425,713.28
  4. Step 4: Simplify right side
    1,056,620.48x = 674,894,024,815.72
  5. Step 5: Solve for x
    x = 674,894,024,815.72/1,056,620.48
  6. Step 6: Final answer
    x = 638,728.89

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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.