Home / 1,354,143.25-1,868,717.69-750,531.25

Finding the Fourth Proportional to 1,354,143.25, 1,868,717.69 and 750,531.25

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Solution

The fourth proportional to 1,354,143.25, 1,868,717.69 and 750,531.25 is: 1,035,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,143.25 : 1,868,717.69 = 750,531.25 : x
  2. Step 2: Convert to fraction form
    1,354,143.25/1,868,717.69 = 750,531.25/x
  3. Step 3: Cross multiply
    1,354,143.25x = 1,868,717.69 × 750,531.25
  4. Step 4: Simplify right side
    1,354,143.25x = 1,402,531,023,772.81
  5. Step 5: Solve for x
    x = 1,402,531,023,772.81/1,354,143.25
  6. Step 6: Final answer
    x = 1,035,733.13

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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.