Home / 1,213,498-1,674,960.28-704,364.40

Finding the Fourth Proportional to 1,213,498, 1,674,960.28 and 704,364.40

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Solution

The fourth proportional to 1,213,498, 1,674,960.28 and 704,364.40 is: 972,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,498 : 1,674,960.28 = 704,364.40 : x
  2. Step 2: Convert to fraction form
    1,213,498/1,674,960.28 = 704,364.40/x
  3. Step 3: Cross multiply
    1,213,498x = 1,674,960.28 × 704,364.40
  4. Step 4: Simplify right side
    1,213,498x = 1,179,782,392,646.03
  5. Step 5: Solve for x
    x = 1,179,782,392,646.03/1,213,498
  6. Step 6: Final answer
    x = 972,216.18

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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.