Home / 1,668,615.57-2,302,625.59-943,478.46

Finding the Fourth Proportional to 1,668,615.57, 2,302,625.59 and 943,478.46

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Solution

The fourth proportional to 1,668,615.57, 2,302,625.59 and 943,478.46 is: 1,301,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,615.57 : 2,302,625.59 = 943,478.46 : x
  2. Step 2: Convert to fraction form
    1,668,615.57/2,302,625.59 = 943,478.46/x
  3. Step 3: Cross multiply
    1,668,615.57x = 2,302,625.59 × 943,478.46
  4. Step 4: Simplify right side
    1,668,615.57x = 2,172,477,643,251.10
  5. Step 5: Solve for x
    x = 2,172,477,643,251.10/1,668,615.57
  6. Step 6: Final answer
    x = 1,301,964.14

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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.