Home / 992,642.79-1,369,968.66-584,723.55

Finding the Fourth Proportional to 992,642.79, 1,369,968.66 and 584,723.55

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Solution

The fourth proportional to 992,642.79, 1,369,968.66 and 584,723.55 is: 806,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,642.79 : 1,369,968.66 = 584,723.55 : x
  2. Step 2: Convert to fraction form
    992,642.79/1,369,968.66 = 584,723.55/x
  3. Step 3: Cross multiply
    992,642.79x = 1,369,968.66 × 584,723.55
  4. Step 4: Simplify right side
    992,642.79x = 801,052,938,263.94
  5. Step 5: Solve for x
    x = 801,052,938,263.94/992,642.79
  6. Step 6: Final answer
    x = 806,990.13

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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.