Home / 1,245,442-1,868,164.80-346,886.32

Finding the Fourth Proportional to 1,245,442, 1,868,164.80 and 346,886.32

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Solution

The fourth proportional to 1,245,442, 1,868,164.80 and 346,886.32 is: 520,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,442 : 1,868,164.80 = 346,886.32 : x
  2. Step 2: Convert to fraction form
    1,245,442/1,868,164.80 = 346,886.32/x
  3. Step 3: Cross multiply
    1,245,442x = 1,868,164.80 × 346,886.32
  4. Step 4: Simplify right side
    1,245,442x = 648,040,812,625.54
  5. Step 5: Solve for x
    x = 648,040,812,625.54/1,245,442
  6. Step 6: Final answer
    x = 520,329.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.