Home / 1,123,669.95-1,685,504.93-745,756.35

Finding the Fourth Proportional to 1,123,669.95, 1,685,504.93 and 745,756.35

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Solution

The fourth proportional to 1,123,669.95, 1,685,504.93 and 745,756.35 is: 1,118,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,669.95 : 1,685,504.93 = 745,756.35 : x
  2. Step 2: Convert to fraction form
    1,123,669.95/1,685,504.93 = 745,756.35/x
  3. Step 3: Cross multiply
    1,123,669.95x = 1,685,504.93 × 745,756.35
  4. Step 4: Simplify right side
    1,123,669.95x = 1,256,976,000,775.02
  5. Step 5: Solve for x
    x = 1,256,976,000,775.02/1,123,669.95
  6. Step 6: Final answer
    x = 1,118,634.53

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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.