Home / 933,220.80-1,397,206.80-838,742.40

Finding the Fourth Proportional to 933,220.80, 1,397,206.80 and 838,742.40

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Solution

The fourth proportional to 933,220.80, 1,397,206.80 and 838,742.40 is: 1,255,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,220.80 : 1,397,206.80 = 838,742.40 : x
  2. Step 2: Convert to fraction form
    933,220.80/1,397,206.80 = 838,742.40/x
  3. Step 3: Cross multiply
    933,220.80x = 1,397,206.80 × 838,742.40
  4. Step 4: Simplify right side
    933,220.80x = 1,171,896,584,728.32
  5. Step 5: Solve for x
    x = 1,171,896,584,728.32/933,220.80
  6. Step 6: Final answer
    x = 1,255,754.89

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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.