Home / 1,123,684.07-1,685,759.38-375,710.63

Finding the Fourth Proportional to 1,123,684.07, 1,685,759.38 and 375,710.63

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Solution

The fourth proportional to 1,123,684.07, 1,685,759.38 and 375,710.63 is: 563,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,684.07 : 1,685,759.38 = 375,710.63 : x
  2. Step 2: Convert to fraction form
    1,123,684.07/1,685,759.38 = 375,710.63/x
  3. Step 3: Cross multiply
    1,123,684.07x = 1,685,759.38 × 375,710.63
  4. Step 4: Simplify right side
    1,123,684.07x = 633,357,709,320.14
  5. Step 5: Solve for x
    x = 633,357,709,320.14/1,123,684.07
  6. Step 6: Final answer
    x = 563,643.94

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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.