Home / 817,088.80-1,225,633.20-740,981.20

Finding the Fourth Proportional to 817,088.80, 1,225,633.20 and 740,981.20

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Solution

The fourth proportional to 817,088.80, 1,225,633.20 and 740,981.20 is: 1,111,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,088.80 : 1,225,633.20 = 740,981.20 : x
  2. Step 2: Convert to fraction form
    817,088.80/1,225,633.20 = 740,981.20/x
  3. Step 3: Cross multiply
    817,088.80x = 1,225,633.20 × 740,981.20
  4. Step 4: Simplify right side
    817,088.80x = 908,171,159,295.84
  5. Step 5: Solve for x
    x = 908,171,159,295.84/817,088.80
  6. Step 6: Final answer
    x = 1,111,471.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.