Home / 1,310,148.80-1,965,003.36-363,615.68

Finding the Fourth Proportional to 1,310,148.80, 1,965,003.36 and 363,615.68

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Solution

The fourth proportional to 1,310,148.80, 1,965,003.36 and 363,615.68 is: 545,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,148.80 : 1,965,003.36 = 363,615.68 : x
  2. Step 2: Convert to fraction form
    1,310,148.80/1,965,003.36 = 363,615.68/x
  3. Step 3: Cross multiply
    1,310,148.80x = 1,965,003.36 × 363,615.68
  4. Step 4: Simplify right side
    1,310,148.80x = 714,506,032,948.69
  5. Step 5: Solve for x
    x = 714,506,032,948.69/1,310,148.80
  6. Step 6: Final answer
    x = 545,362.51

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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.