Home / 1,286,006.32-1,928,990.04-538,052.32

Finding the Fourth Proportional to 1,286,006.32, 1,928,990.04 and 538,052.32

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Solution

The fourth proportional to 1,286,006.32, 1,928,990.04 and 538,052.32 is: 807,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,006.32 : 1,928,990.04 = 538,052.32 : x
  2. Step 2: Convert to fraction form
    1,286,006.32/1,928,990.04 = 538,052.32/x
  3. Step 3: Cross multiply
    1,286,006.32x = 1,928,990.04 × 538,052.32
  4. Step 4: Simplify right side
    1,286,006.32x = 1,037,897,566,278.89
  5. Step 5: Solve for x
    x = 1,037,897,566,278.89/1,286,006.32
  6. Step 6: Final answer
    x = 807,070.35

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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.