Home / 1,676,822.79-2,515,275.53-611,864.51

Finding the Fourth Proportional to 1,676,822.79, 2,515,275.53 and 611,864.51

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Solution

The fourth proportional to 1,676,822.79, 2,515,275.53 and 611,864.51 is: 917,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,822.79 : 2,515,275.53 = 611,864.51 : x
  2. Step 2: Convert to fraction form
    1,676,822.79/2,515,275.53 = 611,864.51/x
  3. Step 3: Cross multiply
    1,676,822.79x = 2,515,275.53 × 611,864.51
  4. Step 4: Simplify right side
    1,676,822.79x = 1,539,007,826,853.18
  5. Step 5: Solve for x
    x = 1,539,007,826,853.18/1,676,822.79
  6. Step 6: Final answer
    x = 917,811.85

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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.