Home / 1,340,818.80-2,011,325.40-807,190.80

Finding the Fourth Proportional to 1,340,818.80, 2,011,325.40 and 807,190.80

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Solution

The fourth proportional to 1,340,818.80, 2,011,325.40 and 807,190.80 is: 1,210,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,818.80 : 2,011,325.40 = 807,190.80 : x
  2. Step 2: Convert to fraction form
    1,340,818.80/2,011,325.40 = 807,190.80/x
  3. Step 3: Cross multiply
    1,340,818.80x = 2,011,325.40 × 807,190.80
  4. Step 4: Simplify right side
    1,340,818.80x = 1,623,523,358,686.32
  5. Step 5: Solve for x
    x = 1,623,523,358,686.32/1,340,818.80
  6. Step 6: Final answer
    x = 1,210,844.72

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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.