Home / 1,102,886.40-1,655,301.60-653,044.80

Finding the Fourth Proportional to 1,102,886.40, 1,655,301.60 and 653,044.80

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Solution

The fourth proportional to 1,102,886.40, 1,655,301.60 and 653,044.80 is: 980,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,886.40 : 1,655,301.60 = 653,044.80 : x
  2. Step 2: Convert to fraction form
    1,102,886.40/1,655,301.60 = 653,044.80/x
  3. Step 3: Cross multiply
    1,102,886.40x = 1,655,301.60 × 653,044.80
  4. Step 4: Simplify right side
    1,102,886.40x = 1,080,986,102,311.68
  5. Step 5: Solve for x
    x = 1,080,986,102,311.68/1,102,886.40
  6. Step 6: Final answer
    x = 980,142.74

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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.