Home / 1,668,421.29-2,302,332.81-943,225.76

Finding the Fourth Proportional to 1,668,421.29, 2,302,332.81 and 943,225.76

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Solution

The fourth proportional to 1,668,421.29, 2,302,332.81 and 943,225.76 is: 1,301,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,421.29 : 2,302,332.81 = 943,225.76 : x
  2. Step 2: Convert to fraction form
    1,668,421.29/2,302,332.81 = 943,225.76/x
  3. Step 3: Cross multiply
    1,668,421.29x = 2,302,332.81 × 943,225.76
  4. Step 4: Simplify right side
    1,668,421.29x = 2,171,619,622,009.57
  5. Step 5: Solve for x
    x = 2,171,619,622,009.57/1,668,421.29
  6. Step 6: Final answer
    x = 1,301,601.48

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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.