Home / 858,810.40-1,286,660.40-734,394.40

Finding the Fourth Proportional to 858,810.40, 1,286,660.40 and 734,394.40

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Solution

The fourth proportional to 858,810.40, 1,286,660.40 and 734,394.40 is: 1,100,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,810.40 : 1,286,660.40 = 734,394.40 : x
  2. Step 2: Convert to fraction form
    858,810.40/1,286,660.40 = 734,394.40/x
  3. Step 3: Cross multiply
    858,810.40x = 1,286,660.40 × 734,394.40
  4. Step 4: Simplify right side
    858,810.40x = 944,916,192,461.76
  5. Step 5: Solve for x
    x = 944,916,192,461.76/858,810.40
  6. Step 6: Final answer
    x = 1,100,261.70

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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.