Home / 1,662,564.42-2,292,806.25-1,247,442.66

Finding the Fourth Proportional to 1,662,564.42, 2,292,806.25 and 1,247,442.66

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Solution

The fourth proportional to 1,662,564.42, 2,292,806.25 and 1,247,442.66 is: 1,720,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,564.42 : 2,292,806.25 = 1,247,442.66 : x
  2. Step 2: Convert to fraction form
    1,662,564.42/2,292,806.25 = 1,247,442.66/x
  3. Step 3: Cross multiply
    1,662,564.42x = 2,292,806.25 × 1,247,442.66
  4. Step 4: Simplify right side
    1,662,564.42x = 2,860,144,327,364.63
  5. Step 5: Solve for x
    x = 2,860,144,327,364.63/1,662,564.42
  6. Step 6: Final answer
    x = 1,720,320.90

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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.