Home / 1,803,330.47-2,488,578.32-976,400

Finding the Fourth Proportional to 1,803,330.47, 2,488,578.32 and 976,400

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Solution

The fourth proportional to 1,803,330.47, 2,488,578.32 and 976,400 is: 1,347,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,330.47 : 2,488,578.32 = 976,400 : x
  2. Step 2: Convert to fraction form
    1,803,330.47/2,488,578.32 = 976,400/x
  3. Step 3: Cross multiply
    1,803,330.47x = 2,488,578.32 × 976,400
  4. Step 4: Simplify right side
    1,803,330.47x = 2,429,847,871,648
  5. Step 5: Solve for x
    x = 2,429,847,871,648/1,803,330.47
  6. Step 6: Final answer
    x = 1,347,422.40

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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.