Home / 1,220,446.49-1,684,216.10-676,580.90

Finding the Fourth Proportional to 1,220,446.49, 1,684,216.10 and 676,580.90

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Solution

The fourth proportional to 1,220,446.49, 1,684,216.10 and 676,580.90 is: 933,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,446.49 : 1,684,216.10 = 676,580.90 : x
  2. Step 2: Convert to fraction form
    1,220,446.49/1,684,216.10 = 676,580.90/x
  3. Step 3: Cross multiply
    1,220,446.49x = 1,684,216.10 × 676,580.90
  4. Step 4: Simplify right side
    1,220,446.49x = 1,139,508,432,928.51
  5. Step 5: Solve for x
    x = 1,139,508,432,928.51/1,220,446.49
  6. Step 6: Final answer
    x = 933,681.60

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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.