Home / 1,553,013.03-2,328,333.69-487,438.59

Finding the Fourth Proportional to 1,553,013.03, 2,328,333.69 and 487,438.59

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Solution

The fourth proportional to 1,553,013.03, 2,328,333.69 and 487,438.59 is: 730,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,013.03 : 2,328,333.69 = 487,438.59 : x
  2. Step 2: Convert to fraction form
    1,553,013.03/2,328,333.69 = 487,438.59/x
  3. Step 3: Cross multiply
    1,553,013.03x = 2,328,333.69 × 487,438.59
  4. Step 4: Simplify right side
    1,553,013.03x = 1,134,919,690,903.10
  5. Step 5: Solve for x
    x = 1,134,919,690,903.10/1,553,013.03
  6. Step 6: Final answer
    x = 730,785.68

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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.