Home / 1,146,387.50-1,719,619.52-515,303.13

Finding the Fourth Proportional to 1,146,387.50, 1,719,619.52 and 515,303.13

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Solution

The fourth proportional to 1,146,387.50, 1,719,619.52 and 515,303.13 is: 772,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,387.50 : 1,719,619.52 = 515,303.13 : x
  2. Step 2: Convert to fraction form
    1,146,387.50/1,719,619.52 = 515,303.13/x
  3. Step 3: Cross multiply
    1,146,387.50x = 1,719,619.52 × 515,303.13
  4. Step 4: Simplify right side
    1,146,387.50x = 886,125,318,488.58
  5. Step 5: Solve for x
    x = 886,125,318,488.58/1,146,387.50
  6. Step 6: Final answer
    x = 772,971.90

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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.