Home / 1,353,994.50-1,868,512.41-750,421.38

Finding the Fourth Proportional to 1,353,994.50, 1,868,512.41 and 750,421.38

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Solution

The fourth proportional to 1,353,994.50, 1,868,512.41 and 750,421.38 is: 1,035,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,994.50 : 1,868,512.41 = 750,421.38 : x
  2. Step 2: Convert to fraction form
    1,353,994.50/1,868,512.41 = 750,421.38/x
  3. Step 3: Cross multiply
    1,353,994.50x = 1,868,512.41 × 750,421.38
  4. Step 4: Simplify right side
    1,353,994.50x = 1,402,171,661,259.33
  5. Step 5: Solve for x
    x = 1,402,171,661,259.33/1,353,994.50
  6. Step 6: Final answer
    x = 1,035,581.50

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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.