Home / 1,581,438.55-2,371,802.10-727,691.26

Finding the Fourth Proportional to 1,581,438.55, 2,371,802.10 and 727,691.26

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Solution

The fourth proportional to 1,581,438.55, 2,371,802.10 and 727,691.26 is: 1,091,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,438.55 : 2,371,802.10 = 727,691.26 : x
  2. Step 2: Convert to fraction form
    1,581,438.55/2,371,802.10 = 727,691.26/x
  3. Step 3: Cross multiply
    1,581,438.55x = 2,371,802.10 × 727,691.26
  4. Step 4: Simplify right side
    1,581,438.55x = 1,725,939,658,619.65
  5. Step 5: Solve for x
    x = 1,725,939,658,619.65/1,581,438.55
  6. Step 6: Final answer
    x = 1,091,373.20

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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.