Home / 910,432.80-1,364,482.80-810,122.40

Finding the Fourth Proportional to 910,432.80, 1,364,482.80 and 810,122.40

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Solution

The fourth proportional to 910,432.80, 1,364,482.80 and 810,122.40 is: 1,214,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,432.80 : 1,364,482.80 = 810,122.40 : x
  2. Step 2: Convert to fraction form
    910,432.80/1,364,482.80 = 810,122.40/x
  3. Step 3: Cross multiply
    910,432.80x = 1,364,482.80 × 810,122.40
  4. Step 4: Simplify right side
    910,432.80x = 1,105,398,080,694.72
  5. Step 5: Solve for x
    x = 1,105,398,080,694.72/910,432.80
  6. Step 6: Final answer
    x = 1,214,145.71

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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.