Home / 859,386.30-1,286,643.54-714,125.76

Finding the Fourth Proportional to 859,386.30, 1,286,643.54 and 714,125.76

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Solution

The fourth proportional to 859,386.30, 1,286,643.54 and 714,125.76 is: 1,069,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,386.30 : 1,286,643.54 = 714,125.76 : x
  2. Step 2: Convert to fraction form
    859,386.30/1,286,643.54 = 714,125.76/x
  3. Step 3: Cross multiply
    859,386.30x = 1,286,643.54 × 714,125.76
  4. Step 4: Simplify right side
    859,386.30x = 918,825,295,851.59
  5. Step 5: Solve for x
    x = 918,825,295,851.59/859,386.30
  6. Step 6: Final answer
    x = 1,069,164.47

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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.