Home / 1,127,885.08-1,556,337.96-644,481.52

Finding the Fourth Proportional to 1,127,885.08, 1,556,337.96 and 644,481.52

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Solution

The fourth proportional to 1,127,885.08, 1,556,337.96 and 644,481.52 is: 889,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,885.08 : 1,556,337.96 = 644,481.52 : x
  2. Step 2: Convert to fraction form
    1,127,885.08/1,556,337.96 = 644,481.52/x
  3. Step 3: Cross multiply
    1,127,885.08x = 1,556,337.96 × 644,481.52
  4. Step 4: Simplify right side
    1,127,885.08x = 1,003,031,054,094.50
  5. Step 5: Solve for x
    x = 1,003,031,054,094.50/1,127,885.08
  6. Step 6: Final answer
    x = 889,302.53

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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.