Home / 1,020,294.12-1,529,785.08-487,803.36

Finding the Fourth Proportional to 1,020,294.12, 1,529,785.08 and 487,803.36

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Solution

The fourth proportional to 1,020,294.12, 1,529,785.08 and 487,803.36 is: 731,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,294.12 : 1,529,785.08 = 487,803.36 : x
  2. Step 2: Convert to fraction form
    1,020,294.12/1,529,785.08 = 487,803.36/x
  3. Step 3: Cross multiply
    1,020,294.12x = 1,529,785.08 × 487,803.36
  4. Step 4: Simplify right side
    1,020,294.12x = 746,234,302,101.87
  5. Step 5: Solve for x
    x = 746,234,302,101.87/1,020,294.12
  6. Step 6: Final answer
    x = 731,391.36

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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.