Home / 1,488,736.65-2,054,397.29-809,673.69

Finding the Fourth Proportional to 1,488,736.65, 2,054,397.29 and 809,673.69

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Solution

The fourth proportional to 1,488,736.65, 2,054,397.29 and 809,673.69 is: 1,117,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,736.65 : 2,054,397.29 = 809,673.69 : x
  2. Step 2: Convert to fraction form
    1,488,736.65/2,054,397.29 = 809,673.69/x
  3. Step 3: Cross multiply
    1,488,736.65x = 2,054,397.29 × 809,673.69
  4. Step 4: Simplify right side
    1,488,736.65x = 1,663,391,430,471.93
  5. Step 5: Solve for x
    x = 1,663,391,430,471.93/1,488,736.65
  6. Step 6: Final answer
    x = 1,117,317.45

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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.