Home / 1,105,555.12-1,655,675.20-630,801.20

Finding the Fourth Proportional to 1,105,555.12, 1,655,675.20 and 630,801.20

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Solution

The fourth proportional to 1,105,555.12, 1,655,675.20 and 630,801.20 is: 944,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,555.12 : 1,655,675.20 = 630,801.20 : x
  2. Step 2: Convert to fraction form
    1,105,555.12/1,655,675.20 = 630,801.20/x
  3. Step 3: Cross multiply
    1,105,555.12x = 1,655,675.20 × 630,801.20
  4. Step 4: Simplify right side
    1,105,555.12x = 1,044,401,902,970.24
  5. Step 5: Solve for x
    x = 1,044,401,902,970.24/1,105,555.12
  6. Step 6: Final answer
    x = 944,685.51

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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.