Home / 1,220,376.54-1,684,119.60-676,510.95

Finding the Fourth Proportional to 1,220,376.54, 1,684,119.60 and 676,510.95

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Solution

The fourth proportional to 1,220,376.54, 1,684,119.60 and 676,510.95 is: 933,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,376.54 : 1,684,119.60 = 676,510.95 : x
  2. Step 2: Convert to fraction form
    1,220,376.54/1,684,119.60 = 676,510.95/x
  3. Step 3: Cross multiply
    1,220,376.54x = 1,684,119.60 × 676,510.95
  4. Step 4: Simplify right side
    1,220,376.54x = 1,139,325,350,509.62
  5. Step 5: Solve for x
    x = 1,139,325,350,509.62/1,220,376.54
  6. Step 6: Final answer
    x = 933,585.10

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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.