Home / 1,585,400.91-2,187,825.03-964,981.77

Finding the Fourth Proportional to 1,585,400.91, 2,187,825.03 and 964,981.77

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Solution

The fourth proportional to 1,585,400.91, 2,187,825.03 and 964,981.77 is: 1,331,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,400.91 : 2,187,825.03 = 964,981.77 : x
  2. Step 2: Convert to fraction form
    1,585,400.91/2,187,825.03 = 964,981.77/x
  3. Step 3: Cross multiply
    1,585,400.91x = 2,187,825.03 × 964,981.77
  4. Step 4: Simplify right side
    1,585,400.91x = 2,111,211,269,899.70
  5. Step 5: Solve for x
    x = 2,111,211,269,899.70/1,585,400.91
  6. Step 6: Final answer
    x = 1,331,657.66

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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.