Home / 1,245,931.38-1,866,182.52-818,985.24

Finding the Fourth Proportional to 1,245,931.38, 1,866,182.52 and 818,985.24

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Solution

The fourth proportional to 1,245,931.38, 1,866,182.52 and 818,985.24 is: 1,226,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,931.38 : 1,866,182.52 = 818,985.24 : x
  2. Step 2: Convert to fraction form
    1,245,931.38/1,866,182.52 = 818,985.24/x
  3. Step 3: Cross multiply
    1,245,931.38x = 1,866,182.52 × 818,985.24
  4. Step 4: Simplify right side
    1,245,931.38x = 1,528,375,939,026.01
  5. Step 5: Solve for x
    x = 1,528,375,939,026.01/1,245,931.38
  6. Step 6: Final answer
    x = 1,226,693.51

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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.