Home / 992,774.66-1,489,581.96-542,970.40

Finding the Fourth Proportional to 992,774.66, 1,489,581.96 and 542,970.40

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Solution

The fourth proportional to 992,774.66, 1,489,581.96 and 542,970.40 is: 814,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,774.66 : 1,489,581.96 = 542,970.40 : x
  2. Step 2: Convert to fraction form
    992,774.66/1,489,581.96 = 542,970.40/x
  3. Step 3: Cross multiply
    992,774.66x = 1,489,581.96 × 542,970.40
  4. Step 4: Simplify right side
    992,774.66x = 808,798,912,653.98
  5. Step 5: Solve for x
    x = 808,798,912,653.98/992,774.66
  6. Step 6: Final answer
    x = 814,685.29

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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.