Home / 1,215,848.55-1,823,809.71-417,118.47

Finding the Fourth Proportional to 1,215,848.55, 1,823,809.71 and 417,118.47

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Solution

The fourth proportional to 1,215,848.55, 1,823,809.71 and 417,118.47 is: 625,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,848.55 : 1,823,809.71 = 417,118.47 : x
  2. Step 2: Convert to fraction form
    1,215,848.55/1,823,809.71 = 417,118.47/x
  3. Step 3: Cross multiply
    1,215,848.55x = 1,823,809.71 × 417,118.47
  4. Step 4: Simplify right side
    1,215,848.55x = 760,744,715,806.34
  5. Step 5: Solve for x
    x = 760,744,715,806.34/1,215,848.55
  6. Step 6: Final answer
    x = 625,690.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.