Home / 1,499,739.32-2,069,680.92-918,952.40

Finding the Fourth Proportional to 1,499,739.32, 2,069,680.92 and 918,952.40

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Solution

The fourth proportional to 1,499,739.32, 2,069,680.92 and 918,952.40 is: 1,268,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,739.32 : 2,069,680.92 = 918,952.40 : x
  2. Step 2: Convert to fraction form
    1,499,739.32/2,069,680.92 = 918,952.40/x
  3. Step 3: Cross multiply
    1,499,739.32x = 2,069,680.92 × 918,952.40
  4. Step 4: Simplify right side
    1,499,739.32x = 1,901,938,248,668.21
  5. Step 5: Solve for x
    x = 1,901,938,248,668.21/1,499,739.32
  6. Step 6: Final answer
    x = 1,268,179.23

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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.