Home / 1,355,806.56-1,867,421.36-1,010,535.98

Finding the Fourth Proportional to 1,355,806.56, 1,867,421.36 and 1,010,535.98

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Solution

The fourth proportional to 1,355,806.56, 1,867,421.36 and 1,010,535.98 is: 1,391,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,806.56 : 1,867,421.36 = 1,010,535.98 : x
  2. Step 2: Convert to fraction form
    1,355,806.56/1,867,421.36 = 1,010,535.98/x
  3. Step 3: Cross multiply
    1,355,806.56x = 1,867,421.36 × 1,010,535.98
  4. Step 4: Simplify right side
    1,355,806.56x = 1,887,096,474,100.53
  5. Step 5: Solve for x
    x = 1,887,096,474,100.53/1,355,806.56
  6. Step 6: Final answer
    x = 1,391,862.62

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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.