Home / 1,220,526.76-1,684,426.71-676,833.08

Finding the Fourth Proportional to 1,220,526.76, 1,684,426.71 and 676,833.08

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Solution

The fourth proportional to 1,220,526.76, 1,684,426.71 and 676,833.08 is: 934,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,526.76 : 1,684,426.71 = 676,833.08 : x
  2. Step 2: Convert to fraction form
    1,220,526.76/1,684,426.71 = 676,833.08/x
  3. Step 3: Cross multiply
    1,220,526.76x = 1,684,426.71 × 676,833.08
  4. Step 4: Simplify right side
    1,220,526.76x = 1,140,075,718,163.57
  5. Step 5: Solve for x
    x = 1,140,075,718,163.57/1,220,526.76
  6. Step 6: Final answer
    x = 934,084.98

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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.