Home / 1,806,459.65-2,492,685.20-990,448.61

Finding the Fourth Proportional to 1,806,459.65, 2,492,685.20 and 990,448.61

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Solution

The fourth proportional to 1,806,459.65, 2,492,685.20 and 990,448.61 is: 1,366,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,459.65 : 2,492,685.20 = 990,448.61 : x
  2. Step 2: Convert to fraction form
    1,806,459.65/2,492,685.20 = 990,448.61/x
  3. Step 3: Cross multiply
    1,806,459.65x = 2,492,685.20 × 990,448.61
  4. Step 4: Simplify right side
    1,806,459.65x = 2,468,876,575,329.96
  5. Step 5: Solve for x
    x = 2,468,876,575,329.96/1,806,459.65
  6. Step 6: Final answer
    x = 1,366,693.45

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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.