Home / 1,330,598.48-1,836,226.53-718,751.21

Finding the Fourth Proportional to 1,330,598.48, 1,836,226.53 and 718,751.21

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Solution

The fourth proportional to 1,330,598.48, 1,836,226.53 and 718,751.21 is: 991,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,598.48 : 1,836,226.53 = 718,751.21 : x
  2. Step 2: Convert to fraction form
    1,330,598.48/1,836,226.53 = 718,751.21/x
  3. Step 3: Cross multiply
    1,330,598.48x = 1,836,226.53 × 718,751.21
  4. Step 4: Simplify right side
    1,330,598.48x = 1,319,790,031,090.47
  5. Step 5: Solve for x
    x = 1,319,790,031,090.47/1,330,598.48
  6. Step 6: Final answer
    x = 991,877.01

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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.