Home / 1,216,323.24-1,678,792.54-707,319.24

Finding the Fourth Proportional to 1,216,323.24, 1,678,792.54 and 707,319.24

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Solution

The fourth proportional to 1,216,323.24, 1,678,792.54 and 707,319.24 is: 976,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,323.24 : 1,678,792.54 = 707,319.24 : x
  2. Step 2: Convert to fraction form
    1,216,323.24/1,678,792.54 = 707,319.24/x
  3. Step 3: Cross multiply
    1,216,323.24x = 1,678,792.54 × 707,319.24
  4. Step 4: Simplify right side
    1,216,323.24x = 1,187,442,263,510.47
  5. Step 5: Solve for x
    x = 1,187,442,263,510.47/1,216,323.24
  6. Step 6: Final answer
    x = 976,255.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.