Home / 1,262,722.32-1,742,528.16-689,765.04

Finding the Fourth Proportional to 1,262,722.32, 1,742,528.16 and 689,765.04

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Solution

The fourth proportional to 1,262,722.32, 1,742,528.16 and 689,765.04 is: 951,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,722.32 : 1,742,528.16 = 689,765.04 : x
  2. Step 2: Convert to fraction form
    1,262,722.32/1,742,528.16 = 689,765.04/x
  3. Step 3: Cross multiply
    1,262,722.32x = 1,742,528.16 × 689,765.04
  4. Step 4: Simplify right side
    1,262,722.32x = 1,201,935,005,983.53
  5. Step 5: Solve for x
    x = 1,201,935,005,983.53/1,262,722.32
  6. Step 6: Final answer
    x = 951,860.11

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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.