Home / 1,854,357.30-2,780,207.55-716,145.30

Finding the Fourth Proportional to 1,854,357.30, 2,780,207.55 and 716,145.30

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Solution

The fourth proportional to 1,854,357.30, 2,780,207.55 and 716,145.30 is: 1,073,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,357.30 : 2,780,207.55 = 716,145.30 : x
  2. Step 2: Convert to fraction form
    1,854,357.30/2,780,207.55 = 716,145.30/x
  3. Step 3: Cross multiply
    1,854,357.30x = 2,780,207.55 × 716,145.30
  4. Step 4: Simplify right side
    1,854,357.30x = 1,991,032,569,957.02
  5. Step 5: Solve for x
    x = 1,991,032,569,957.02/1,854,357.30
  6. Step 6: Final answer
    x = 1,073,704.93

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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.