Home / 1,012,239.69-1,518,362.41-292,639.96

Finding the Fourth Proportional to 1,012,239.69, 1,518,362.41 and 292,639.96

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Solution

The fourth proportional to 1,012,239.69, 1,518,362.41 and 292,639.96 is: 438,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,239.69 : 1,518,362.41 = 292,639.96 : x
  2. Step 2: Convert to fraction form
    1,012,239.69/1,518,362.41 = 292,639.96/x
  3. Step 3: Cross multiply
    1,012,239.69x = 1,518,362.41 × 292,639.96
  4. Step 4: Simplify right side
    1,012,239.69x = 444,333,514,927.90
  5. Step 5: Solve for x
    x = 444,333,514,927.90/1,012,239.69
  6. Step 6: Final answer
    x = 438,960.77

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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.