Home / 933,814.30-1,400,721.45-926,815.90

Finding the Fourth Proportional to 933,814.30, 1,400,721.45 and 926,815.90

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Solution

The fourth proportional to 933,814.30, 1,400,721.45 and 926,815.90 is: 1,390,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,814.30 : 1,400,721.45 = 926,815.90 : x
  2. Step 2: Convert to fraction form
    933,814.30/1,400,721.45 = 926,815.90/x
  3. Step 3: Cross multiply
    933,814.30x = 1,400,721.45 × 926,815.90
  4. Step 4: Simplify right side
    933,814.30x = 1,298,210,911,331.06
  5. Step 5: Solve for x
    x = 1,298,210,911,331.06/933,814.30
  6. Step 6: Final answer
    x = 1,390,223.85

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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.