Home / 1,342,702.20-2,016,386.10-712,846.20

Finding the Fourth Proportional to 1,342,702.20, 2,016,386.10 and 712,846.20

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Solution

The fourth proportional to 1,342,702.20, 2,016,386.10 and 712,846.20 is: 1,070,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,702.20 : 2,016,386.10 = 712,846.20 : x
  2. Step 2: Convert to fraction form
    1,342,702.20/2,016,386.10 = 712,846.20/x
  3. Step 3: Cross multiply
    1,342,702.20x = 2,016,386.10 × 712,846.20
  4. Step 4: Simplify right side
    1,342,702.20x = 1,437,373,169,117.82
  5. Step 5: Solve for x
    x = 1,437,373,169,117.82/1,342,702.20
  6. Step 6: Final answer
    x = 1,070,507.79

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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.