Home / 1,442,417.63-1,990,402.75-797,823.95

Finding the Fourth Proportional to 1,442,417.63, 1,990,402.75 and 797,823.95

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Solution

The fourth proportional to 1,442,417.63, 1,990,402.75 and 797,823.95 is: 1,100,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,417.63 : 1,990,402.75 = 797,823.95 : x
  2. Step 2: Convert to fraction form
    1,442,417.63/1,990,402.75 = 797,823.95/x
  3. Step 3: Cross multiply
    1,442,417.63x = 1,990,402.75 × 797,823.95
  4. Step 4: Simplify right side
    1,442,417.63x = 1,587,990,984,095.86
  5. Step 5: Solve for x
    x = 1,587,990,984,095.86/1,442,417.63
  6. Step 6: Final answer
    x = 1,100,923.17

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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.