Home / 1,053,786.24-1,454,260.23-645,809.25

Finding the Fourth Proportional to 1,053,786.24, 1,454,260.23 and 645,809.25

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Solution

The fourth proportional to 1,053,786.24, 1,454,260.23 and 645,809.25 is: 891,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,786.24 : 1,454,260.23 = 645,809.25 : x
  2. Step 2: Convert to fraction form
    1,053,786.24/1,454,260.23 = 645,809.25/x
  3. Step 3: Cross multiply
    1,053,786.24x = 1,454,260.23 × 645,809.25
  4. Step 4: Simplify right side
    1,053,786.24x = 939,174,713,894.60
  5. Step 5: Solve for x
    x = 939,174,713,894.60/1,053,786.24
  6. Step 6: Final answer
    x = 891,238.35

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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.