Home / 1,042,586.64-1,557,411.30-756,002.16

Finding the Fourth Proportional to 1,042,586.64, 1,557,411.30 and 756,002.16

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Solution

The fourth proportional to 1,042,586.64, 1,557,411.30 and 756,002.16 is: 1,129,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,586.64 : 1,557,411.30 = 756,002.16 : x
  2. Step 2: Convert to fraction form
    1,042,586.64/1,557,411.30 = 756,002.16/x
  3. Step 3: Cross multiply
    1,042,586.64x = 1,557,411.30 × 756,002.16
  4. Step 4: Simplify right side
    1,042,586.64x = 1,177,406,306,808.41
  5. Step 5: Solve for x
    x = 1,177,406,306,808.41/1,042,586.64
  6. Step 6: Final answer
    x = 1,129,312.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.