Home / 1,316,422.92-1,975,348.80-558,690.60

Finding the Fourth Proportional to 1,316,422.92, 1,975,348.80 and 558,690.60

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Solution

The fourth proportional to 1,316,422.92, 1,975,348.80 and 558,690.60 is: 838,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,422.92 : 1,975,348.80 = 558,690.60 : x
  2. Step 2: Convert to fraction form
    1,316,422.92/1,975,348.80 = 558,690.60/x
  3. Step 3: Cross multiply
    1,316,422.92x = 1,975,348.80 × 558,690.60
  4. Step 4: Simplify right side
    1,316,422.92x = 1,103,608,806,281.28
  5. Step 5: Solve for x
    x = 1,103,608,806,281.28/1,316,422.92
  6. Step 6: Final answer
    x = 838,339.10

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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.