Home / 1,013,292.84-1,398,345.48-554,450.52

Finding the Fourth Proportional to 1,013,292.84, 1,398,345.48 and 554,450.52

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Solution

The fourth proportional to 1,013,292.84, 1,398,345.48 and 554,450.52 is: 765,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,292.84 : 1,398,345.48 = 554,450.52 : x
  2. Step 2: Convert to fraction form
    1,013,292.84/1,398,345.48 = 554,450.52/x
  3. Step 3: Cross multiply
    1,013,292.84x = 1,398,345.48 × 554,450.52
  4. Step 4: Simplify right side
    1,013,292.84x = 775,313,378,525.65
  5. Step 5: Solve for x
    x = 775,313,378,525.65/1,013,292.84
  6. Step 6: Final answer
    x = 765,142.46

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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.