Home / 1,535,407.88-2,118,851.02-847,108.75

Finding the Fourth Proportional to 1,535,407.88, 2,118,851.02 and 847,108.75

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Solution

The fourth proportional to 1,535,407.88, 2,118,851.02 and 847,108.75 is: 1,169,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,407.88 : 2,118,851.02 = 847,108.75 : x
  2. Step 2: Convert to fraction form
    1,535,407.88/2,118,851.02 = 847,108.75/x
  3. Step 3: Cross multiply
    1,535,407.88x = 2,118,851.02 × 847,108.75
  4. Step 4: Simplify right side
    1,535,407.88x = 1,794,897,238,988.43
  5. Step 5: Solve for x
    x = 1,794,897,238,988.43/1,535,407.88
  6. Step 6: Final answer
    x = 1,169,003.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.