Home / 1,249,871.72-1,724,827.38-676,910.12

Finding the Fourth Proportional to 1,249,871.72, 1,724,827.38 and 676,910.12

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Solution

The fourth proportional to 1,249,871.72, 1,724,827.38 and 676,910.12 is: 934,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,871.72 : 1,724,827.38 = 676,910.12 : x
  2. Step 2: Convert to fraction form
    1,249,871.72/1,724,827.38 = 676,910.12/x
  3. Step 3: Cross multiply
    1,249,871.72x = 1,724,827.38 × 676,910.12
  4. Step 4: Simplify right side
    1,249,871.72x = 1,167,553,108,775.09
  5. Step 5: Solve for x
    x = 1,167,553,108,775.09/1,249,871.72
  6. Step 6: Final answer
    x = 934,138.35

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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.