Home / 1,727,715.80-2,590,407.30-918,234.20

Finding the Fourth Proportional to 1,727,715.80, 2,590,407.30 and 918,234.20

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Solution

The fourth proportional to 1,727,715.80, 2,590,407.30 and 918,234.20 is: 1,376,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,715.80 : 2,590,407.30 = 918,234.20 : x
  2. Step 2: Convert to fraction form
    1,727,715.80/2,590,407.30 = 918,234.20/x
  3. Step 3: Cross multiply
    1,727,715.80x = 2,590,407.30 × 918,234.20
  4. Step 4: Simplify right side
    1,727,715.80x = 2,378,600,574,789.66
  5. Step 5: Solve for x
    x = 2,378,600,574,789.66/1,727,715.80
  6. Step 6: Final answer
    x = 1,376,731.39

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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.