Home / 1,148,678.55-1,585,150.16-719,195.49

Finding the Fourth Proportional to 1,148,678.55, 1,585,150.16 and 719,195.49

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Solution

The fourth proportional to 1,148,678.55, 1,585,150.16 and 719,195.49 is: 992,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,678.55 : 1,585,150.16 = 719,195.49 : x
  2. Step 2: Convert to fraction form
    1,148,678.55/1,585,150.16 = 719,195.49/x
  3. Step 3: Cross multiply
    1,148,678.55x = 1,585,150.16 × 719,195.49
  4. Step 4: Simplify right side
    1,148,678.55x = 1,140,032,842,448.80
  5. Step 5: Solve for x
    x = 1,140,032,842,448.80/1,148,678.55
  6. Step 6: Final answer
    x = 992,473.34

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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.