Home / 1,262,061.04-1,741,714.80-689,154.40

Finding the Fourth Proportional to 1,262,061.04, 1,741,714.80 and 689,154.40

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Solution

The fourth proportional to 1,262,061.04, 1,741,714.80 and 689,154.40 is: 951,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,061.04 : 1,741,714.80 = 689,154.40 : x
  2. Step 2: Convert to fraction form
    1,262,061.04/1,741,714.80 = 689,154.40/x
  3. Step 3: Cross multiply
    1,262,061.04x = 1,741,714.80 × 689,154.40
  4. Step 4: Simplify right side
    1,262,061.04x = 1,200,310,417,965.12
  5. Step 5: Solve for x
    x = 1,200,310,417,965.12/1,262,061.04
  6. Step 6: Final answer
    x = 951,071.60

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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.