Home / 1,563,399.78-2,157,470.54-875,071.45

Finding the Fourth Proportional to 1,563,399.78, 2,157,470.54 and 875,071.45

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Solution

The fourth proportional to 1,563,399.78, 2,157,470.54 and 875,071.45 is: 1,207,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,399.78 : 2,157,470.54 = 875,071.45 : x
  2. Step 2: Convert to fraction form
    1,563,399.78/2,157,470.54 = 875,071.45/x
  3. Step 3: Cross multiply
    1,563,399.78x = 2,157,470.54 × 875,071.45
  4. Step 4: Simplify right side
    1,563,399.78x = 1,887,940,875,373.08
  5. Step 5: Solve for x
    x = 1,887,940,875,373.08/1,563,399.78
  6. Step 6: Final answer
    x = 1,207,586.76

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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.