Home / 1,605,623.06-2,407,834.52-645,754.68

Finding the Fourth Proportional to 1,605,623.06, 2,407,834.52 and 645,754.68

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Solution

The fourth proportional to 1,605,623.06, 2,407,834.52 and 645,754.68 is: 968,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,623.06 : 2,407,834.52 = 645,754.68 : x
  2. Step 2: Convert to fraction form
    1,605,623.06/2,407,834.52 = 645,754.68/x
  3. Step 3: Cross multiply
    1,605,623.06x = 2,407,834.52 × 645,754.68
  4. Step 4: Simplify right side
    1,605,623.06x = 1,554,870,406,726.78
  5. Step 5: Solve for x
    x = 1,554,870,406,726.78/1,605,623.06
  6. Step 6: Final answer
    x = 968,390.68

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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.