Home / 1,352,875.28-1,866,068.72-870,051.20

Finding the Fourth Proportional to 1,352,875.28, 1,866,068.72 and 870,051.20

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Solution

The fourth proportional to 1,352,875.28, 1,866,068.72 and 870,051.20 is: 1,200,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,875.28 : 1,866,068.72 = 870,051.20 : x
  2. Step 2: Convert to fraction form
    1,352,875.28/1,866,068.72 = 870,051.20/x
  3. Step 3: Cross multiply
    1,352,875.28x = 1,866,068.72 × 870,051.20
  4. Step 4: Simplify right side
    1,352,875.28x = 1,623,575,329,118.46
  5. Step 5: Solve for x
    x = 1,623,575,329,118.46/1,352,875.28
  6. Step 6: Final answer
    x = 1,200,092.39

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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.