Home / 1,370,403.27-1,890,721.77-797,332.74

Finding the Fourth Proportional to 1,370,403.27, 1,890,721.77 and 797,332.74

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Solution

The fourth proportional to 1,370,403.27, 1,890,721.77 and 797,332.74 is: 1,100,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,403.27 : 1,890,721.77 = 797,332.74 : x
  2. Step 2: Convert to fraction form
    1,370,403.27/1,890,721.77 = 797,332.74/x
  3. Step 3: Cross multiply
    1,370,403.27x = 1,890,721.77 × 797,332.74
  4. Step 4: Simplify right side
    1,370,403.27x = 1,507,534,369,451.75
  5. Step 5: Solve for x
    x = 1,507,534,369,451.75/1,370,403.27
  6. Step 6: Final answer
    x = 1,100,066.24

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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.