Home / 1,509,439.91-2,083,065.10-821,150.46

Finding the Fourth Proportional to 1,509,439.91, 2,083,065.10 and 821,150.46

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Solution

The fourth proportional to 1,509,439.91, 2,083,065.10 and 821,150.46 is: 1,133,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,439.91 : 2,083,065.10 = 821,150.46 : x
  2. Step 2: Convert to fraction form
    1,509,439.91/2,083,065.10 = 821,150.46/x
  3. Step 3: Cross multiply
    1,509,439.91x = 2,083,065.10 × 821,150.46
  4. Step 4: Simplify right side
    1,509,439.91x = 1,710,509,867,641.04
  5. Step 5: Solve for x
    x = 1,710,509,867,641.04/1,509,439.91
  6. Step 6: Final answer
    x = 1,133,208.32

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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.