Home / 1,385,288.10-2,073,205.80-1,160,901.90

Finding the Fourth Proportional to 1,385,288.10, 2,073,205.80 and 1,160,901.90

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Solution

The fourth proportional to 1,385,288.10, 2,073,205.80 and 1,160,901.90 is: 1,737,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,288.10 : 2,073,205.80 = 1,160,901.90 : x
  2. Step 2: Convert to fraction form
    1,385,288.10/2,073,205.80 = 1,160,901.90/x
  3. Step 3: Cross multiply
    1,385,288.10x = 2,073,205.80 × 1,160,901.90
  4. Step 4: Simplify right side
    1,385,288.10x = 2,406,788,552,311.02
  5. Step 5: Solve for x
    x = 2,406,788,552,311.02/1,385,288.10
  6. Step 6: Final answer
    x = 1,737,392.06

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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.