Home / 1,095,766.76-1,513,120.02-688,574.09

Finding the Fourth Proportional to 1,095,766.76, 1,513,120.02 and 688,574.09

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Solution

The fourth proportional to 1,095,766.76, 1,513,120.02 and 688,574.09 is: 950,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,766.76 : 1,513,120.02 = 688,574.09 : x
  2. Step 2: Convert to fraction form
    1,095,766.76/1,513,120.02 = 688,574.09/x
  3. Step 3: Cross multiply
    1,095,766.76x = 1,513,120.02 × 688,574.09
  4. Step 4: Simplify right side
    1,095,766.76x = 1,041,895,240,832.28
  5. Step 5: Solve for x
    x = 1,041,895,240,832.28/1,095,766.76
  6. Step 6: Final answer
    x = 950,836.69

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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.