Home / 939,856.07-1,296,966.48-510,126.95

Finding the Fourth Proportional to 939,856.07, 1,296,966.48 and 510,126.95

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Solution

The fourth proportional to 939,856.07, 1,296,966.48 and 510,126.95 is: 703,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,856.07 : 1,296,966.48 = 510,126.95 : x
  2. Step 2: Convert to fraction form
    939,856.07/1,296,966.48 = 510,126.95/x
  3. Step 3: Cross multiply
    939,856.07x = 1,296,966.48 × 510,126.95
  4. Step 4: Simplify right side
    939,856.07x = 661,617,554,694.64
  5. Step 5: Solve for x
    x = 661,617,554,694.64/939,856.07
  6. Step 6: Final answer
    x = 703,956.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.