Home / 1,065,424.79-1,605,329.99-880,038.61

Finding the Fourth Proportional to 1,065,424.79, 1,605,329.99 and 880,038.61

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Solution

The fourth proportional to 1,065,424.79, 1,605,329.99 and 880,038.61 is: 1,325,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,424.79 : 1,605,329.99 = 880,038.61 : x
  2. Step 2: Convert to fraction form
    1,065,424.79/1,605,329.99 = 880,038.61/x
  3. Step 3: Cross multiply
    1,065,424.79x = 1,605,329.99 × 880,038.61
  4. Step 4: Simplify right side
    1,065,424.79x = 1,412,752,367,877.54
  5. Step 5: Solve for x
    x = 1,412,752,367,877.54/1,065,424.79
  6. Step 6: Final answer
    x = 1,325,999.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.