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Finding the Fourth Proportional to 1,750,938, 2,626,407.04 and 421,242

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Solution

The fourth proportional to 1,750,938, 2,626,407.04 and 421,242 is: 631,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,938 : 2,626,407.04 = 421,242 : x
  2. Step 2: Convert to fraction form
    1,750,938/2,626,407.04 = 421,242/x
  3. Step 3: Cross multiply
    1,750,938x = 2,626,407.04 × 421,242
  4. Step 4: Simplify right side
    1,750,938x = 1,106,352,954,343.68
  5. Step 5: Solve for x
    x = 1,106,352,954,343.68/1,750,938
  6. Step 6: Final answer
    x = 631,863.01

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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.