Home / 1,311,083-1,809,545.84-738,123.22

Finding the Fourth Proportional to 1,311,083, 1,809,545.84 and 738,123.22

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Solution

The fourth proportional to 1,311,083, 1,809,545.84 and 738,123.22 is: 1,018,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,083 : 1,809,545.84 = 738,123.22 : x
  2. Step 2: Convert to fraction form
    1,311,083/1,809,545.84 = 738,123.22/x
  3. Step 3: Cross multiply
    1,311,083x = 1,809,545.84 × 738,123.22
  4. Step 4: Simplify right side
    1,311,083x = 1,335,667,802,158.40
  5. Step 5: Solve for x
    x = 1,335,667,802,158.40/1,311,083
  6. Step 6: Final answer
    x = 1,018,751.52

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1.5x scale

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.