Home / 1,011,702.72-1,396,177.92-559,022.88

Finding the Fourth Proportional to 1,011,702.72, 1,396,177.92 and 559,022.88

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Solution

The fourth proportional to 1,011,702.72, 1,396,177.92 and 559,022.88 is: 771,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,702.72 : 1,396,177.92 = 559,022.88 : x
  2. Step 2: Convert to fraction form
    1,011,702.72/1,396,177.92 = 559,022.88/x
  3. Step 3: Cross multiply
    1,011,702.72x = 1,396,177.92 × 559,022.88
  4. Step 4: Simplify right side
    1,011,702.72x = 780,495,401,830.81
  5. Step 5: Solve for x
    x = 780,495,401,830.81/1,011,702.72
  6. Step 6: Final answer
    x = 771,467.14

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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.