Home / 1,262,592.90-1,742,366.70-689,632.92

Finding the Fourth Proportional to 1,262,592.90, 1,742,366.70 and 689,632.92

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Solution

The fourth proportional to 1,262,592.90, 1,742,366.70 and 689,632.92 is: 951,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,592.90 : 1,742,366.70 = 689,632.92 : x
  2. Step 2: Convert to fraction form
    1,262,592.90/1,742,366.70 = 689,632.92/x
  3. Step 3: Cross multiply
    1,262,592.90x = 1,742,366.70 × 689,632.92
  4. Step 4: Simplify right side
    1,262,592.90x = 1,201,593,435,031.76
  5. Step 5: Solve for x
    x = 1,201,593,435,031.76/1,262,592.90
  6. Step 6: Final answer
    x = 951,687.15

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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.