Home / 1,353,993.50-1,868,511.03-750,420.38

Finding the Fourth Proportional to 1,353,993.50, 1,868,511.03 and 750,420.38

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Solution

The fourth proportional to 1,353,993.50, 1,868,511.03 and 750,420.38 is: 1,035,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,993.50 : 1,868,511.03 = 750,420.38 : x
  2. Step 2: Convert to fraction form
    1,353,993.50/1,868,511.03 = 750,420.38/x
  3. Step 3: Cross multiply
    1,353,993.50x = 1,868,511.03 × 750,420.38
  4. Step 4: Simplify right side
    1,353,993.50x = 1,402,168,757,166.79
  5. Step 5: Solve for x
    x = 1,402,168,757,166.79/1,353,993.50
  6. Step 6: Final answer
    x = 1,035,580.12

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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.