Home / 1,133,365.20-1,700,047.80-774,642.53

Finding the Fourth Proportional to 1,133,365.20, 1,700,047.80 and 774,642.53

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Solution

The fourth proportional to 1,133,365.20, 1,700,047.80 and 774,642.53 is: 1,161,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,365.20 : 1,700,047.80 = 774,642.53 : x
  2. Step 2: Convert to fraction form
    1,133,365.20/1,700,047.80 = 774,642.53/x
  3. Step 3: Cross multiply
    1,133,365.20x = 1,700,047.80 × 774,642.53
  4. Step 4: Simplify right side
    1,133,365.20x = 1,316,929,320,412.70
  5. Step 5: Solve for x
    x = 1,316,929,320,412.70/1,133,365.20
  6. Step 6: Final answer
    x = 1,161,963.79

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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.