Home / 1,352,876.28-1,866,070.10-870,052.20

Finding the Fourth Proportional to 1,352,876.28, 1,866,070.10 and 870,052.20

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Solution

The fourth proportional to 1,352,876.28, 1,866,070.10 and 870,052.20 is: 1,200,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,876.28 : 1,866,070.10 = 870,052.20 : x
  2. Step 2: Convert to fraction form
    1,352,876.28/1,866,070.10 = 870,052.20/x
  3. Step 3: Cross multiply
    1,352,876.28x = 1,866,070.10 × 870,052.20
  4. Step 4: Simplify right side
    1,352,876.28x = 1,623,578,395,859.22
  5. Step 5: Solve for x
    x = 1,623,578,395,859.22/1,352,876.28
  6. Step 6: Final answer
    x = 1,200,093.77

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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.