Home / 1,038,245.38-1,432,776.18-579,331.78

Finding the Fourth Proportional to 1,038,245.38, 1,432,776.18 and 579,331.78

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Solution

The fourth proportional to 1,038,245.38, 1,432,776.18 and 579,331.78 is: 799,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,245.38 : 1,432,776.18 = 579,331.78 : x
  2. Step 2: Convert to fraction form
    1,038,245.38/1,432,776.18 = 579,331.78/x
  3. Step 3: Cross multiply
    1,038,245.38x = 1,432,776.18 × 579,331.78
  4. Step 4: Simplify right side
    1,038,245.38x = 830,052,774,701.00
  5. Step 5: Solve for x
    x = 830,052,774,701.00/1,038,245.38
  6. Step 6: Final answer
    x = 799,476.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.