Home / 1,185,539.45-1,778,313.84-286,979.74

Finding the Fourth Proportional to 1,185,539.45, 1,778,313.84 and 286,979.74

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Solution

The fourth proportional to 1,185,539.45, 1,778,313.84 and 286,979.74 is: 430,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,539.45 : 1,778,313.84 = 286,979.74 : x
  2. Step 2: Convert to fraction form
    1,185,539.45/1,778,313.84 = 286,979.74/x
  3. Step 3: Cross multiply
    1,185,539.45x = 1,778,313.84 × 286,979.74
  4. Step 4: Simplify right side
    1,185,539.45x = 510,340,042,006.70
  5. Step 5: Solve for x
    x = 510,340,042,006.70/1,185,539.45
  6. Step 6: Final answer
    x = 430,470.74

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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.