Home / 1,587,290.02-2,190,483.66-898,944.78

Finding the Fourth Proportional to 1,587,290.02, 2,190,483.66 and 898,944.78

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Solution

The fourth proportional to 1,587,290.02, 2,190,483.66 and 898,944.78 is: 1,240,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,290.02 : 2,190,483.66 = 898,944.78 : x
  2. Step 2: Convert to fraction form
    1,587,290.02/2,190,483.66 = 898,944.78/x
  3. Step 3: Cross multiply
    1,587,290.02x = 2,190,483.66 × 898,944.78
  4. Step 4: Simplify right side
    1,587,290.02x = 1,969,123,858,361.09
  5. Step 5: Solve for x
    x = 1,969,123,858,361.09/1,587,290.02
  6. Step 6: Final answer
    x = 1,240,557.07

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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.