Home / 1,038,688.20-1,558,032.30-926,713.80

Finding the Fourth Proportional to 1,038,688.20, 1,558,032.30 and 926,713.80

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Solution

The fourth proportional to 1,038,688.20, 1,558,032.30 and 926,713.80 is: 1,390,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,688.20 : 1,558,032.30 = 926,713.80 : x
  2. Step 2: Convert to fraction form
    1,038,688.20/1,558,032.30 = 926,713.80/x
  3. Step 3: Cross multiply
    1,038,688.20x = 1,558,032.30 × 926,713.80
  4. Step 4: Simplify right side
    1,038,688.20x = 1,443,850,033,255.74
  5. Step 5: Solve for x
    x = 1,443,850,033,255.74/1,038,688.20
  6. Step 6: Final answer
    x = 1,390,070.70

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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.