Home / 933,637.80-1,397,346.30-821,663.40

Finding the Fourth Proportional to 933,637.80, 1,397,346.30 and 821,663.40

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Solution

The fourth proportional to 933,637.80, 1,397,346.30 and 821,663.40 is: 1,229,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,637.80 : 1,397,346.30 = 821,663.40 : x
  2. Step 2: Convert to fraction form
    933,637.80/1,397,346.30 = 821,663.40/x
  3. Step 3: Cross multiply
    933,637.80x = 1,397,346.30 × 821,663.40
  4. Step 4: Simplify right side
    933,637.80x = 1,148,148,311,835.42
  5. Step 5: Solve for x
    x = 1,148,148,311,835.42/933,637.80
  6. Step 6: Final answer
    x = 1,229,757.74

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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.