Home / 1,761,641.60-2,642,462.40-1,043,139.20

Finding the Fourth Proportional to 1,761,641.60, 2,642,462.40 and 1,043,139.20

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Solution

The fourth proportional to 1,761,641.60, 2,642,462.40 and 1,043,139.20 is: 1,564,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,641.60 : 2,642,462.40 = 1,043,139.20 : x
  2. Step 2: Convert to fraction form
    1,761,641.60/2,642,462.40 = 1,043,139.20/x
  3. Step 3: Cross multiply
    1,761,641.60x = 2,642,462.40 × 1,043,139.20
  4. Step 4: Simplify right side
    1,761,641.60x = 2,756,456,113,966.08
  5. Step 5: Solve for x
    x = 2,756,456,113,966.08/1,761,641.60
  6. Step 6: Final answer
    x = 1,564,708.80

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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.