Home / 992,986.91-1,370,465.15-551,562.19

Finding the Fourth Proportional to 992,986.91, 1,370,465.15 and 551,562.19

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Solution

The fourth proportional to 992,986.91, 1,370,465.15 and 551,562.19 is: 761,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,986.91 : 1,370,465.15 = 551,562.19 : x
  2. Step 2: Convert to fraction form
    992,986.91/1,370,465.15 = 551,562.19/x
  3. Step 3: Cross multiply
    992,986.91x = 1,370,465.15 × 551,562.19
  4. Step 4: Simplify right side
    992,986.91x = 755,896,753,268.71
  5. Step 5: Solve for x
    x = 755,896,753,268.71/992,986.91
  6. Step 6: Final answer
    x = 761,235.36

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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.