Home / 1,345,679.60-2,016,234.40-812,079.40

Finding the Fourth Proportional to 1,345,679.60, 2,016,234.40 and 812,079.40

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Solution

The fourth proportional to 1,345,679.60, 2,016,234.40 and 812,079.40 is: 1,216,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,679.60 : 2,016,234.40 = 812,079.40 : x
  2. Step 2: Convert to fraction form
    1,345,679.60/2,016,234.40 = 812,079.40/x
  3. Step 3: Cross multiply
    1,345,679.60x = 2,016,234.40 × 812,079.40
  4. Step 4: Simplify right side
    1,345,679.60x = 1,637,342,421,811.36
  5. Step 5: Solve for x
    x = 1,637,342,421,811.36/1,345,679.60
  6. Step 6: Final answer
    x = 1,216,740.17

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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.