Home / 1,418,920.31-2,127,114.91-520,152.23

Finding the Fourth Proportional to 1,418,920.31, 2,127,114.91 and 520,152.23

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Solution

The fourth proportional to 1,418,920.31, 2,127,114.91 and 520,152.23 is: 779,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,920.31 : 2,127,114.91 = 520,152.23 : x
  2. Step 2: Convert to fraction form
    1,418,920.31/2,127,114.91 = 520,152.23/x
  3. Step 3: Cross multiply
    1,418,920.31x = 2,127,114.91 × 520,152.23
  4. Step 4: Simplify right side
    1,418,920.31x = 1,106,423,569,870.73
  5. Step 5: Solve for x
    x = 1,106,423,569,870.73/1,418,920.31
  6. Step 6: Final answer
    x = 779,764.42

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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.