Home / 1,720,007.70-2,580,011.55-869,702.10

Finding the Fourth Proportional to 1,720,007.70, 2,580,011.55 and 869,702.10

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Solution

The fourth proportional to 1,720,007.70, 2,580,011.55 and 869,702.10 is: 1,304,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,007.70 : 2,580,011.55 = 869,702.10 : x
  2. Step 2: Convert to fraction form
    1,720,007.70/2,580,011.55 = 869,702.10/x
  3. Step 3: Cross multiply
    1,720,007.70x = 2,580,011.55 × 869,702.10
  4. Step 4: Simplify right side
    1,720,007.70x = 2,243,841,463,059.26
  5. Step 5: Solve for x
    x = 2,243,841,463,059.26/1,720,007.70
  6. Step 6: Final answer
    x = 1,304,553.15

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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.