Home / 1,148,853.40-1,723,280.10-910,907.80

Finding the Fourth Proportional to 1,148,853.40, 1,723,280.10 and 910,907.80

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Solution

The fourth proportional to 1,148,853.40, 1,723,280.10 and 910,907.80 is: 1,366,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,853.40 : 1,723,280.10 = 910,907.80 : x
  2. Step 2: Convert to fraction form
    1,148,853.40/1,723,280.10 = 910,907.80/x
  3. Step 3: Cross multiply
    1,148,853.40x = 1,723,280.10 × 910,907.80
  4. Step 4: Simplify right side
    1,148,853.40x = 1,569,749,284,674.78
  5. Step 5: Solve for x
    x = 1,569,749,284,674.78/1,148,853.40
  6. Step 6: Final answer
    x = 1,366,361.70

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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.