Home / 1,637,612.34-2,259,874.89-912,444.45

Finding the Fourth Proportional to 1,637,612.34, 2,259,874.89 and 912,444.45

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Solution

The fourth proportional to 1,637,612.34, 2,259,874.89 and 912,444.45 is: 1,259,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,612.34 : 2,259,874.89 = 912,444.45 : x
  2. Step 2: Convert to fraction form
    1,637,612.34/2,259,874.89 = 912,444.45/x
  3. Step 3: Cross multiply
    1,637,612.34x = 2,259,874.89 × 912,444.45
  4. Step 4: Simplify right side
    1,637,612.34x = 2,062,010,292,600.33
  5. Step 5: Solve for x
    x = 2,062,010,292,600.33/1,637,612.34
  6. Step 6: Final answer
    x = 1,259,156.55

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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.