Home / 1,325,488.46-1,987,017.89-516,418.74

Finding the Fourth Proportional to 1,325,488.46, 1,987,017.89 and 516,418.74

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Solution

The fourth proportional to 1,325,488.46, 1,987,017.89 and 516,418.74 is: 774,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,488.46 : 1,987,017.89 = 516,418.74 : x
  2. Step 2: Convert to fraction form
    1,325,488.46/1,987,017.89 = 516,418.74/x
  3. Step 3: Cross multiply
    1,325,488.46x = 1,987,017.89 × 516,418.74
  4. Step 4: Simplify right side
    1,325,488.46x = 1,026,133,272,529.16
  5. Step 5: Solve for x
    x = 1,026,133,272,529.16/1,325,488.46
  6. Step 6: Final answer
    x = 774,154.82

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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.