Home / 1,262,730.32-1,742,539.20-689,773.04

Finding the Fourth Proportional to 1,262,730.32, 1,742,539.20 and 689,773.04

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Solution

The fourth proportional to 1,262,730.32, 1,742,539.20 and 689,773.04 is: 951,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,730.32 : 1,742,539.20 = 689,773.04 : x
  2. Step 2: Convert to fraction form
    1,262,730.32/1,742,539.20 = 689,773.04/x
  3. Step 3: Cross multiply
    1,262,730.32x = 1,742,539.20 × 689,773.04
  4. Step 4: Simplify right side
    1,262,730.32x = 1,201,956,561,303.17
  5. Step 5: Solve for x
    x = 1,201,956,561,303.17/1,262,730.32
  6. Step 6: Final answer
    x = 951,871.15

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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.