Home / 1,674,962.55-2,311,334.58-910,999.71

Finding the Fourth Proportional to 1,674,962.55, 2,311,334.58 and 910,999.71

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Solution

The fourth proportional to 1,674,962.55, 2,311,334.58 and 910,999.71 is: 1,257,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,962.55 : 2,311,334.58 = 910,999.71 : x
  2. Step 2: Convert to fraction form
    1,674,962.55/2,311,334.58 = 910,999.71/x
  3. Step 3: Cross multiply
    1,674,962.55x = 2,311,334.58 × 910,999.71
  4. Step 4: Simplify right side
    1,674,962.55x = 2,105,625,132,092.97
  5. Step 5: Solve for x
    x = 2,105,625,132,092.97/1,674,962.55
  6. Step 6: Final answer
    x = 1,257,117.74

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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.