Home / 1,409,312.28-2,114,042.13-398,508.15

Finding the Fourth Proportional to 1,409,312.28, 2,114,042.13 and 398,508.15

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Solution

The fourth proportional to 1,409,312.28, 2,114,042.13 and 398,508.15 is: 597,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,312.28 : 2,114,042.13 = 398,508.15 : x
  2. Step 2: Convert to fraction form
    1,409,312.28/2,114,042.13 = 398,508.15/x
  3. Step 3: Cross multiply
    1,409,312.28x = 2,114,042.13 × 398,508.15
  4. Step 4: Simplify right side
    1,409,312.28x = 842,463,018,248.36
  5. Step 5: Solve for x
    x = 842,463,018,248.36/1,409,312.28
  6. Step 6: Final answer
    x = 597,783.07

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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.