Home / 1,112,117.17-1,668,305.37-402,479.41

Finding the Fourth Proportional to 1,112,117.17, 1,668,305.37 and 402,479.41

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Solution

The fourth proportional to 1,112,117.17, 1,668,305.37 and 402,479.41 is: 603,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,117.17 : 1,668,305.37 = 402,479.41 : x
  2. Step 2: Convert to fraction form
    1,112,117.17/1,668,305.37 = 402,479.41/x
  3. Step 3: Cross multiply
    1,112,117.17x = 1,668,305.37 × 402,479.41
  4. Step 4: Simplify right side
    1,112,117.17x = 671,458,561,017.43
  5. Step 5: Solve for x
    x = 671,458,561,017.43/1,112,117.17
  6. Step 6: Final answer
    x = 603,766.02

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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.