Home / 1,808,279.60-2,710,691.40-670,737.20

Finding the Fourth Proportional to 1,808,279.60, 2,710,691.40 and 670,737.20

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Solution

The fourth proportional to 1,808,279.60, 2,710,691.40 and 670,737.20 is: 1,005,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,279.60 : 2,710,691.40 = 670,737.20 : x
  2. Step 2: Convert to fraction form
    1,808,279.60/2,710,691.40 = 670,737.20/x
  3. Step 3: Cross multiply
    1,808,279.60x = 2,710,691.40 × 670,737.20
  4. Step 4: Simplify right side
    1,808,279.60x = 1,818,161,559,700.08
  5. Step 5: Solve for x
    x = 1,818,161,559,700.08/1,808,279.60
  6. Step 6: Final answer
    x = 1,005,464.84

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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.