Home / 1,518,557.20-2,275,211.40-718,115.20

Finding the Fourth Proportional to 1,518,557.20, 2,275,211.40 and 718,115.20

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Solution

The fourth proportional to 1,518,557.20, 2,275,211.40 and 718,115.20 is: 1,075,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,557.20 : 2,275,211.40 = 718,115.20 : x
  2. Step 2: Convert to fraction form
    1,518,557.20/2,275,211.40 = 718,115.20/x
  3. Step 3: Cross multiply
    1,518,557.20x = 2,275,211.40 × 718,115.20
  4. Step 4: Simplify right side
    1,518,557.20x = 1,633,863,889,553.28
  5. Step 5: Solve for x
    x = 1,633,863,889,553.28/1,518,557.20
  6. Step 6: Final answer
    x = 1,075,931.74

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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.