Home / 1,715,524.80-2,367,378.54-990,348

Finding the Fourth Proportional to 1,715,524.80, 2,367,378.54 and 990,348

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Solution

The fourth proportional to 1,715,524.80, 2,367,378.54 and 990,348 is: 1,366,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,524.80 : 2,367,378.54 = 990,348 : x
  2. Step 2: Convert to fraction form
    1,715,524.80/2,367,378.54 = 990,348/x
  3. Step 3: Cross multiply
    1,715,524.80x = 2,367,378.54 × 990,348
  4. Step 4: Simplify right side
    1,715,524.80x = 2,344,528,602,331.92
  5. Step 5: Solve for x
    x = 2,344,528,602,331.92/1,715,524.80
  6. Step 6: Final answer
    x = 1,366,653.87

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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.