Home / 1,004,558.64-1,386,654.92-665,136.24

Finding the Fourth Proportional to 1,004,558.64, 1,386,654.92 and 665,136.24

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Solution

The fourth proportional to 1,004,558.64, 1,386,654.92 and 665,136.24 is: 918,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,558.64 : 1,386,654.92 = 665,136.24 : x
  2. Step 2: Convert to fraction form
    1,004,558.64/1,386,654.92 = 665,136.24/x
  3. Step 3: Cross multiply
    1,004,558.64x = 1,386,654.92 × 665,136.24
  4. Step 4: Simplify right side
    1,004,558.64x = 922,314,439,666.30
  5. Step 5: Solve for x
    x = 922,314,439,666.30/1,004,558.64
  6. Step 6: Final answer
    x = 918,129.02

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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.