Home / 1,070,331.30-1,604,719.35-438,920.10

Finding the Fourth Proportional to 1,070,331.30, 1,604,719.35 and 438,920.10

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Solution

The fourth proportional to 1,070,331.30, 1,604,719.35 and 438,920.10 is: 658,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,331.30 : 1,604,719.35 = 438,920.10 : x
  2. Step 2: Convert to fraction form
    1,070,331.30/1,604,719.35 = 438,920.10/x
  3. Step 3: Cross multiply
    1,070,331.30x = 1,604,719.35 × 438,920.10
  4. Step 4: Simplify right side
    1,070,331.30x = 704,343,577,573.94
  5. Step 5: Solve for x
    x = 704,343,577,573.94/1,070,331.30
  6. Step 6: Final answer
    x = 658,061.27

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1.5x scale

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.