Home / 859,384.29-1,286,640.54-714,123.75

Finding the Fourth Proportional to 859,384.29, 1,286,640.54 and 714,123.75

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Solution

The fourth proportional to 859,384.29, 1,286,640.54 and 714,123.75 is: 1,069,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,384.29 : 1,286,640.54 = 714,123.75 : x
  2. Step 2: Convert to fraction form
    859,384.29/1,286,640.54 = 714,123.75/x
  3. Step 3: Cross multiply
    859,384.29x = 1,286,640.54 × 714,123.75
  4. Step 4: Simplify right side
    859,384.29x = 918,820,567,326.83
  5. Step 5: Solve for x
    x = 918,820,567,326.83/859,384.29
  6. Step 6: Final answer
    x = 1,069,161.47

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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.