Home / 1,140,314.13-1,710,967.28-714,825.09

Finding the Fourth Proportional to 1,140,314.13, 1,710,967.28 and 714,825.09

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Solution

The fourth proportional to 1,140,314.13, 1,710,967.28 and 714,825.09 is: 1,072,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,314.13 : 1,710,967.28 = 714,825.09 : x
  2. Step 2: Convert to fraction form
    1,140,314.13/1,710,967.28 = 714,825.09/x
  3. Step 3: Cross multiply
    1,140,314.13x = 1,710,967.28 × 714,825.09
  4. Step 4: Simplify right side
    1,140,314.13x = 1,223,042,336,338.93
  5. Step 5: Solve for x
    x = 1,223,042,336,338.93/1,140,314.13
  6. Step 6: Final answer
    x = 1,072,548.61

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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.