Home / 1,253,378.61-1,729,480.01-716,730.93

Finding the Fourth Proportional to 1,253,378.61, 1,729,480.01 and 716,730.93

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Solution

The fourth proportional to 1,253,378.61, 1,729,480.01 and 716,730.93 is: 988,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,378.61 : 1,729,480.01 = 716,730.93 : x
  2. Step 2: Convert to fraction form
    1,253,378.61/1,729,480.01 = 716,730.93/x
  3. Step 3: Cross multiply
    1,253,378.61x = 1,729,480.01 × 716,730.93
  4. Step 4: Simplify right side
    1,253,378.61x = 1,239,571,812,400.05
  5. Step 5: Solve for x
    x = 1,239,571,812,400.05/1,253,378.61
  6. Step 6: Final answer
    x = 988,984.34

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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.