Home / 1,676,342.08-2,313,352.20-912,401.20

Finding the Fourth Proportional to 1,676,342.08, 2,313,352.20 and 912,401.20

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Solution

The fourth proportional to 1,676,342.08, 2,313,352.20 and 912,401.20 is: 1,259,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,342.08 : 2,313,352.20 = 912,401.20 : x
  2. Step 2: Convert to fraction form
    1,676,342.08/2,313,352.20 = 912,401.20/x
  3. Step 3: Cross multiply
    1,676,342.08x = 2,313,352.20 × 912,401.20
  4. Step 4: Simplify right side
    1,676,342.08x = 2,110,705,323,302.64
  5. Step 5: Solve for x
    x = 2,110,705,323,302.64/1,676,342.08
  6. Step 6: Final answer
    x = 1,259,113.73

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1.5x scale

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.