Home / 1,220,445.75-1,684,215.04-676,580.16

Finding the Fourth Proportional to 1,220,445.75, 1,684,215.04 and 676,580.16

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Solution

The fourth proportional to 1,220,445.75, 1,684,215.04 and 676,580.16 is: 933,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,445.75 : 1,684,215.04 = 676,580.16 : x
  2. Step 2: Convert to fraction form
    1,220,445.75/1,684,215.04 = 676,580.16/x
  3. Step 3: Cross multiply
    1,220,445.75x = 1,684,215.04 × 676,580.16
  4. Step 4: Simplify right side
    1,220,445.75x = 1,139,506,481,237.61
  5. Step 5: Solve for x
    x = 1,139,506,481,237.61/1,220,445.75
  6. Step 6: Final answer
    x = 933,680.57

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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.