Home / 1,112,377.92-1,668,810-402,331.92

Finding the Fourth Proportional to 1,112,377.92, 1,668,810 and 402,331.92

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Solution

The fourth proportional to 1,112,377.92, 1,668,810 and 402,331.92 is: 603,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,377.92 : 1,668,810 = 402,331.92 : x
  2. Step 2: Convert to fraction form
    1,112,377.92/1,668,810 = 402,331.92/x
  3. Step 3: Cross multiply
    1,112,377.92x = 1,668,810 × 402,331.92
  4. Step 4: Simplify right side
    1,112,377.92x = 671,415,531,415.20
  5. Step 5: Solve for x
    x = 671,415,531,415.20/1,112,377.92
  6. Step 6: Final answer
    x = 603,585.81

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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.