Home / 1,218,790.81-1,828,356.45-508,656.25

Finding the Fourth Proportional to 1,218,790.81, 1,828,356.45 and 508,656.25

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Solution

The fourth proportional to 1,218,790.81, 1,828,356.45 and 508,656.25 is: 763,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,790.81 : 1,828,356.45 = 508,656.25 : x
  2. Step 2: Convert to fraction form
    1,218,790.81/1,828,356.45 = 508,656.25/x
  3. Step 3: Cross multiply
    1,218,790.81x = 1,828,356.45 × 508,656.25
  4. Step 4: Simplify right side
    1,218,790.81x = 930,004,935,520.31
  5. Step 5: Solve for x
    x = 930,004,935,520.31/1,218,790.81
  6. Step 6: Final answer
    x = 763,055.42

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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.