Home / 1,220,790.27-1,684,710.81-676,948.98

Finding the Fourth Proportional to 1,220,790.27, 1,684,710.81 and 676,948.98

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Solution

The fourth proportional to 1,220,790.27, 1,684,710.81 and 676,948.98 is: 934,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,790.27 : 1,684,710.81 = 676,948.98 : x
  2. Step 2: Convert to fraction form
    1,220,790.27/1,684,710.81 = 676,948.98/x
  3. Step 3: Cross multiply
    1,220,790.27x = 1,684,710.81 × 676,948.98
  4. Step 4: Simplify right side
    1,220,790.27x = 1,140,463,264,424.47
  5. Step 5: Solve for x
    x = 1,140,463,264,424.47/1,220,790.27
  6. Step 6: Final answer
    x = 934,200.81

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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.