Home / 1,097,127.48-1,644,442.02-686,988.48

Finding the Fourth Proportional to 1,097,127.48, 1,644,442.02 and 686,988.48

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Solution

The fourth proportional to 1,097,127.48, 1,644,442.02 and 686,988.48 is: 1,029,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,127.48 : 1,644,442.02 = 686,988.48 : x
  2. Step 2: Convert to fraction form
    1,097,127.48/1,644,442.02 = 686,988.48/x
  3. Step 3: Cross multiply
    1,097,127.48x = 1,644,442.02 × 686,988.48
  4. Step 4: Simplify right side
    1,097,127.48x = 1,129,712,723,767.93
  5. Step 5: Solve for x
    x = 1,129,712,723,767.93/1,097,127.48
  6. Step 6: Final answer
    x = 1,029,700.51

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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.