Home / 1,070,605.28-1,604,508-438,779.36

Finding the Fourth Proportional to 1,070,605.28, 1,604,508 and 438,779.36

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Solution

The fourth proportional to 1,070,605.28, 1,604,508 and 438,779.36 is: 657,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,605.28 : 1,604,508 = 438,779.36 : x
  2. Step 2: Convert to fraction form
    1,070,605.28/1,604,508 = 438,779.36/x
  3. Step 3: Cross multiply
    1,070,605.28x = 1,604,508 × 438,779.36
  4. Step 4: Simplify right side
    1,070,605.28x = 704,024,993,354.88
  5. Step 5: Solve for x
    x = 704,024,993,354.88/1,070,605.28
  6. Step 6: Final answer
    x = 657,595.29

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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.