Home / 1,427,151.66-1,970,502.51-918,739.74

Finding the Fourth Proportional to 1,427,151.66, 1,970,502.51 and 918,739.74

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Solution

The fourth proportional to 1,427,151.66, 1,970,502.51 and 918,739.74 is: 1,268,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,151.66 : 1,970,502.51 = 918,739.74 : x
  2. Step 2: Convert to fraction form
    1,427,151.66/1,970,502.51 = 918,739.74/x
  3. Step 3: Cross multiply
    1,427,151.66x = 1,970,502.51 × 918,739.74
  4. Step 4: Simplify right side
    1,427,151.66x = 1,810,378,963,706.75
  5. Step 5: Solve for x
    x = 1,810,378,963,706.75/1,427,151.66
  6. Step 6: Final answer
    x = 1,268,525.98

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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.