Home / 1,399,432.46-1,931,812.66-940,813.03

Finding the Fourth Proportional to 1,399,432.46, 1,931,812.66 and 940,813.03

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Solution

The fourth proportional to 1,399,432.46, 1,931,812.66 and 940,813.03 is: 1,298,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,432.46 : 1,931,812.66 = 940,813.03 : x
  2. Step 2: Convert to fraction form
    1,399,432.46/1,931,812.66 = 940,813.03/x
  3. Step 3: Cross multiply
    1,399,432.46x = 1,931,812.66 × 940,813.03
  4. Step 4: Simplify right side
    1,399,432.46x = 1,817,474,525,637.74
  5. Step 5: Solve for x
    x = 1,817,474,525,637.74/1,399,432.46
  6. Step 6: Final answer
    x = 1,298,722.58

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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.