Home / 933,688.80-1,397,422.80-821,714.40

Finding the Fourth Proportional to 933,688.80, 1,397,422.80 and 821,714.40

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Solution

The fourth proportional to 933,688.80, 1,397,422.80 and 821,714.40 is: 1,229,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,688.80 : 1,397,422.80 = 821,714.40 : x
  2. Step 2: Convert to fraction form
    933,688.80/1,397,422.80 = 821,714.40/x
  3. Step 3: Cross multiply
    933,688.80x = 1,397,422.80 × 821,714.40
  4. Step 4: Simplify right side
    933,688.80x = 1,148,282,437,648.32
  5. Step 5: Solve for x
    x = 1,148,282,437,648.32/933,688.80
  6. Step 6: Final answer
    x = 1,229,834.22

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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.