Home / 1,140,154.97-1,710,276.19-509,074.25

Finding the Fourth Proportional to 1,140,154.97, 1,710,276.19 and 509,074.25

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Solution

The fourth proportional to 1,140,154.97, 1,710,276.19 and 509,074.25 is: 763,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,154.97 : 1,710,276.19 = 509,074.25 : x
  2. Step 2: Convert to fraction form
    1,140,154.97/1,710,276.19 = 509,074.25/x
  3. Step 3: Cross multiply
    1,140,154.97x = 1,710,276.19 × 509,074.25
  4. Step 4: Simplify right side
    1,140,154.97x = 870,657,565,714.10
  5. Step 5: Solve for x
    x = 870,657,565,714.10/1,140,154.97
  6. Step 6: Final answer
    x = 763,630.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.