Home / 1,345,561.47-2,018,342.14-923,557.95

Finding the Fourth Proportional to 1,345,561.47, 2,018,342.14 and 923,557.95

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Solution

The fourth proportional to 1,345,561.47, 2,018,342.14 and 923,557.95 is: 1,385,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,561.47 : 2,018,342.14 = 923,557.95 : x
  2. Step 2: Convert to fraction form
    1,345,561.47/2,018,342.14 = 923,557.95/x
  3. Step 3: Cross multiply
    1,345,561.47x = 2,018,342.14 × 923,557.95
  4. Step 4: Simplify right side
    1,345,561.47x = 1,864,055,926,908.12
  5. Step 5: Solve for x
    x = 1,864,055,926,908.12/1,345,561.47
  6. Step 6: Final answer
    x = 1,385,336.88

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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.