Home / 1,207,346.04-1,666,136.52-663,516.90

Finding the Fourth Proportional to 1,207,346.04, 1,666,136.52 and 663,516.90

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Solution

The fourth proportional to 1,207,346.04, 1,666,136.52 and 663,516.90 is: 915,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,346.04 : 1,666,136.52 = 663,516.90 : x
  2. Step 2: Convert to fraction form
    1,207,346.04/1,666,136.52 = 663,516.90/x
  3. Step 3: Cross multiply
    1,207,346.04x = 1,666,136.52 × 663,516.90
  4. Step 4: Simplify right side
    1,207,346.04x = 1,105,509,738,727.19
  5. Step 5: Solve for x
    x = 1,105,509,738,727.19/1,207,346.04
  6. Step 6: Final answer
    x = 915,652.76

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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.