Home / 1,217,264.85-1,679,875.02-673,391.31

Finding the Fourth Proportional to 1,217,264.85, 1,679,875.02 and 673,391.31

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Solution

The fourth proportional to 1,217,264.85, 1,679,875.02 and 673,391.31 is: 929,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,264.85 : 1,679,875.02 = 673,391.31 : x
  2. Step 2: Convert to fraction form
    1,217,264.85/1,679,875.02 = 673,391.31/x
  3. Step 3: Cross multiply
    1,217,264.85x = 1,679,875.02 × 673,391.31
  4. Step 4: Simplify right side
    1,217,264.85x = 1,131,213,240,354.08
  5. Step 5: Solve for x
    x = 1,131,213,240,354.08/1,217,264.85
  6. Step 6: Final answer
    x = 929,307.41

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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.