Home / 1,047,139.34-1,569,255.84-477,127.40

Finding the Fourth Proportional to 1,047,139.34, 1,569,255.84 and 477,127.40

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Solution

The fourth proportional to 1,047,139.34, 1,569,255.84 and 477,127.40 is: 715,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,139.34 : 1,569,255.84 = 477,127.40 : x
  2. Step 2: Convert to fraction form
    1,047,139.34/1,569,255.84 = 477,127.40/x
  3. Step 3: Cross multiply
    1,047,139.34x = 1,569,255.84 × 477,127.40
  4. Step 4: Simplify right side
    1,047,139.34x = 748,734,958,874.02
  5. Step 5: Solve for x
    x = 748,734,958,874.02/1,047,139.34
  6. Step 6: Final answer
    x = 715,028.97

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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.