Home / 1,582,479.02-2,183,818.38-857,345.16

Finding the Fourth Proportional to 1,582,479.02, 2,183,818.38 and 857,345.16

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Solution

The fourth proportional to 1,582,479.02, 2,183,818.38 and 857,345.16 is: 1,183,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,479.02 : 2,183,818.38 = 857,345.16 : x
  2. Step 2: Convert to fraction form
    1,582,479.02/2,183,818.38 = 857,345.16/x
  3. Step 3: Cross multiply
    1,582,479.02x = 2,183,818.38 × 857,345.16
  4. Step 4: Simplify right side
    1,582,479.02x = 1,872,286,118,412.04
  5. Step 5: Solve for x
    x = 1,872,286,118,412.04/1,582,479.02
  6. Step 6: Final answer
    x = 1,183,134.88

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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.