Home / 1,031,779.78-1,423,858.84-572,895.20

Finding the Fourth Proportional to 1,031,779.78, 1,423,858.84 and 572,895.20

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Solution

The fourth proportional to 1,031,779.78, 1,423,858.84 and 572,895.20 is: 790,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,779.78 : 1,423,858.84 = 572,895.20 : x
  2. Step 2: Convert to fraction form
    1,031,779.78/1,423,858.84 = 572,895.20/x
  3. Step 3: Cross multiply
    1,031,779.78x = 1,423,858.84 × 572,895.20
  4. Step 4: Simplify right side
    1,031,779.78x = 815,721,897,040.98
  5. Step 5: Solve for x
    x = 815,721,897,040.98/1,031,779.78
  6. Step 6: Final answer
    x = 790,596.90

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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.