Home / 1,488,146.64-2,053,632.16-809,083.16

Finding the Fourth Proportional to 1,488,146.64, 2,053,632.16 and 809,083.16

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Solution

The fourth proportional to 1,488,146.64, 2,053,632.16 and 809,083.16 is: 1,116,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,146.64 : 2,053,632.16 = 809,083.16 : x
  2. Step 2: Convert to fraction form
    1,488,146.64/2,053,632.16 = 809,083.16/x
  3. Step 3: Cross multiply
    1,488,146.64x = 2,053,632.16 × 809,083.16
  4. Step 4: Simplify right side
    1,488,146.64x = 1,661,559,197,490.43
  5. Step 5: Solve for x
    x = 1,661,559,197,490.43/1,488,146.64
  6. Step 6: Final answer
    x = 1,116,529.21

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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.