Home / 1,300,631.80-1,950,947.70-922,718.20

Finding the Fourth Proportional to 1,300,631.80, 1,950,947.70 and 922,718.20

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Solution

The fourth proportional to 1,300,631.80, 1,950,947.70 and 922,718.20 is: 1,384,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,631.80 : 1,950,947.70 = 922,718.20 : x
  2. Step 2: Convert to fraction form
    1,300,631.80/1,950,947.70 = 922,718.20/x
  3. Step 3: Cross multiply
    1,300,631.80x = 1,950,947.70 × 922,718.20
  4. Step 4: Simplify right side
    1,300,631.80x = 1,800,174,950,038.14
  5. Step 5: Solve for x
    x = 1,800,174,950,038.14/1,300,631.80
  6. Step 6: Final answer
    x = 1,384,077.30

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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.