Home / 1,377,235.40-2,065,853.10-739,506.20

Finding the Fourth Proportional to 1,377,235.40, 2,065,853.10 and 739,506.20

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Solution

The fourth proportional to 1,377,235.40, 2,065,853.10 and 739,506.20 is: 1,109,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,235.40 : 2,065,853.10 = 739,506.20 : x
  2. Step 2: Convert to fraction form
    1,377,235.40/2,065,853.10 = 739,506.20/x
  3. Step 3: Cross multiply
    1,377,235.40x = 2,065,853.10 × 739,506.20
  4. Step 4: Simplify right side
    1,377,235.40x = 1,527,711,175,739.22
  5. Step 5: Solve for x
    x = 1,527,711,175,739.22/1,377,235.40
  6. Step 6: Final answer
    x = 1,109,259.30

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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.