Home / 1,249,127.30-1,723,796.09-676,165.70

Finding the Fourth Proportional to 1,249,127.30, 1,723,796.09 and 676,165.70

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Solution

The fourth proportional to 1,249,127.30, 1,723,796.09 and 676,165.70 is: 933,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,127.30 : 1,723,796.09 = 676,165.70 : x
  2. Step 2: Convert to fraction form
    1,249,127.30/1,723,796.09 = 676,165.70/x
  3. Step 3: Cross multiply
    1,249,127.30x = 1,723,796.09 × 676,165.70
  4. Step 4: Simplify right side
    1,249,127.30x = 1,165,571,789,852.11
  5. Step 5: Solve for x
    x = 1,165,571,789,852.11/1,249,127.30
  6. Step 6: Final answer
    x = 933,108.89

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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.