Home / 1,597,116.72-2,391,855.91-921,148.68

Finding the Fourth Proportional to 1,597,116.72, 2,391,855.91 and 921,148.68

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Solution

The fourth proportional to 1,597,116.72, 2,391,855.91 and 921,148.68 is: 1,379,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597,116.72 : 2,391,855.91 = 921,148.68 : x
  2. Step 2: Convert to fraction form
    1,597,116.72/2,391,855.91 = 921,148.68/x
  3. Step 3: Cross multiply
    1,597,116.72x = 2,391,855.91 × 921,148.68
  4. Step 4: Simplify right side
    1,597,116.72x = 2,203,254,908,155.83
  5. Step 5: Solve for x
    x = 2,203,254,908,155.83/1,597,116.72
  6. Step 6: Final answer
    x = 1,379,520.28

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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.