Home / 1,401,832.17-2,102,717.88-390,927.15

Finding the Fourth Proportional to 1,401,832.17, 2,102,717.88 and 390,927.15

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Solution

The fourth proportional to 1,401,832.17, 2,102,717.88 and 390,927.15 is: 586,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,832.17 : 2,102,717.88 = 390,927.15 : x
  2. Step 2: Convert to fraction form
    1,401,832.17/2,102,717.88 = 390,927.15/x
  3. Step 3: Cross multiply
    1,401,832.17x = 2,102,717.88 × 390,927.15
  4. Step 4: Simplify right side
    1,401,832.17x = 822,009,508,082.44
  5. Step 5: Solve for x
    x = 822,009,508,082.44/1,401,832.17
  6. Step 6: Final answer
    x = 586,382.25

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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.