Home / 918,034.58-1,266,862.34-510,125.86

Finding the Fourth Proportional to 918,034.58, 1,266,862.34 and 510,125.86

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Solution

The fourth proportional to 918,034.58, 1,266,862.34 and 510,125.86 is: 703,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,034.58 : 1,266,862.34 = 510,125.86 : x
  2. Step 2: Convert to fraction form
    918,034.58/1,266,862.34 = 510,125.86/x
  3. Step 3: Cross multiply
    918,034.58x = 1,266,862.34 × 510,125.86
  4. Step 4: Simplify right side
    918,034.58x = 646,259,240,694.11
  5. Step 5: Solve for x
    x = 646,259,240,694.11/918,034.58
  6. Step 6: Final answer
    x = 703,959.58

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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.