Home / 1,008,048.08-1,511,833.28-288,367.61

Finding the Fourth Proportional to 1,008,048.08, 1,511,833.28 and 288,367.61

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Solution

The fourth proportional to 1,008,048.08, 1,511,833.28 and 288,367.61 is: 432,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,048.08 : 1,511,833.28 = 288,367.61 : x
  2. Step 2: Convert to fraction form
    1,008,048.08/1,511,833.28 = 288,367.61/x
  3. Step 3: Cross multiply
    1,008,048.08x = 1,511,833.28 × 288,367.61
  4. Step 4: Simplify right side
    1,008,048.08x = 435,963,740,671.06
  5. Step 5: Solve for x
    x = 435,963,740,671.06/1,008,048.08
  6. Step 6: Final answer
    x = 432,483.08

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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.