Home / 1,508,339.16-2,081,515.86-829,319.40

Finding the Fourth Proportional to 1,508,339.16, 2,081,515.86 and 829,319.40

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Solution

The fourth proportional to 1,508,339.16, 2,081,515.86 and 829,319.40 is: 1,144,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,339.16 : 2,081,515.86 = 829,319.40 : x
  2. Step 2: Convert to fraction form
    1,508,339.16/2,081,515.86 = 829,319.40/x
  3. Step 3: Cross multiply
    1,508,339.16x = 2,081,515.86 × 829,319.40
  4. Step 4: Simplify right side
    1,508,339.16x = 1,726,241,484,105.68
  5. Step 5: Solve for x
    x = 1,726,241,484,105.68/1,508,339.16
  6. Step 6: Final answer
    x = 1,144,465.07

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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.