Home / 918,658.56-1,267,781.29-510,876.01

Finding the Fourth Proportional to 918,658.56, 1,267,781.29 and 510,876.01

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Solution

The fourth proportional to 918,658.56, 1,267,781.29 and 510,876.01 is: 705,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,658.56 : 1,267,781.29 = 510,876.01 : x
  2. Step 2: Convert to fraction form
    918,658.56/1,267,781.29 = 510,876.01/x
  3. Step 3: Cross multiply
    918,658.56x = 1,267,781.29 × 510,876.01
  4. Step 4: Simplify right side
    918,658.56x = 647,679,047,295.39
  5. Step 5: Solve for x
    x = 647,679,047,295.39/918,658.56
  6. Step 6: Final answer
    x = 705,026.95

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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.