Home / 1,037,742.60-1,557,780.30-802,129.80

Finding the Fourth Proportional to 1,037,742.60, 1,557,780.30 and 802,129.80

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Solution

The fourth proportional to 1,037,742.60, 1,557,780.30 and 802,129.80 is: 1,204,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,742.60 : 1,557,780.30 = 802,129.80 : x
  2. Step 2: Convert to fraction form
    1,037,742.60/1,557,780.30 = 802,129.80/x
  3. Step 3: Cross multiply
    1,037,742.60x = 1,557,780.30 × 802,129.80
  4. Step 4: Simplify right side
    1,037,742.60x = 1,249,542,000,482.94
  5. Step 5: Solve for x
    x = 1,249,542,000,482.94/1,037,742.60
  6. Step 6: Final answer
    x = 1,204,096.28

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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.