Home / 1,486,988.16-2,229,228.48-644,905.92

Finding the Fourth Proportional to 1,486,988.16, 2,229,228.48 and 644,905.92

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Solution

The fourth proportional to 1,486,988.16, 2,229,228.48 and 644,905.92 is: 966,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,988.16 : 2,229,228.48 = 644,905.92 : x
  2. Step 2: Convert to fraction form
    1,486,988.16/2,229,228.48 = 644,905.92/x
  3. Step 3: Cross multiply
    1,486,988.16x = 2,229,228.48 × 644,905.92
  4. Step 4: Simplify right side
    1,486,988.16x = 1,437,642,643,784.60
  5. Step 5: Solve for x
    x = 1,437,642,643,784.60/1,486,988.16
  6. Step 6: Final answer
    x = 966,815.13

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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.