Home / 1,401,876.48-2,102,883.84-390,996.48

Finding the Fourth Proportional to 1,401,876.48, 2,102,883.84 and 390,996.48

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Solution

The fourth proportional to 1,401,876.48, 2,102,883.84 and 390,996.48 is: 586,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,876.48 : 2,102,883.84 = 390,996.48 : x
  2. Step 2: Convert to fraction form
    1,401,876.48/2,102,883.84 = 390,996.48/x
  3. Step 3: Cross multiply
    1,401,876.48x = 2,102,883.84 × 390,996.48
  4. Step 4: Simplify right side
    1,401,876.48x = 822,220,179,288.88
  5. Step 5: Solve for x
    x = 822,220,179,288.88/1,401,876.48
  6. Step 6: Final answer
    x = 586,514.00

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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.