Home / 1,345,695.06-2,018,932.20-399,088.56

Finding the Fourth Proportional to 1,345,695.06, 2,018,932.20 and 399,088.56

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Solution

The fourth proportional to 1,345,695.06, 2,018,932.20 and 399,088.56 is: 598,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,695.06 : 2,018,932.20 = 399,088.56 : x
  2. Step 2: Convert to fraction form
    1,345,695.06/2,018,932.20 = 399,088.56/x
  3. Step 3: Cross multiply
    1,345,695.06x = 2,018,932.20 × 399,088.56
  4. Step 4: Simplify right side
    1,345,695.06x = 805,732,744,435.63
  5. Step 5: Solve for x
    x = 805,732,744,435.63/1,345,695.06
  6. Step 6: Final answer
    x = 598,748.39

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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.