Home / 1,123,357.75-1,685,036.63-375,403.75

Finding the Fourth Proportional to 1,123,357.75, 1,685,036.63 and 375,403.75

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Solution

The fourth proportional to 1,123,357.75, 1,685,036.63 and 375,403.75 is: 563,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,357.75 : 1,685,036.63 = 375,403.75 : x
  2. Step 2: Convert to fraction form
    1,123,357.75/1,685,036.63 = 375,403.75/x
  3. Step 3: Cross multiply
    1,123,357.75x = 1,685,036.63 × 375,403.75
  4. Step 4: Simplify right side
    1,123,357.75x = 632,569,069,789.36
  5. Step 5: Solve for x
    x = 632,569,069,789.36/1,123,357.75
  6. Step 6: Final answer
    x = 563,105.63

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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.