Home / 1,439,140.24-2,158,316.26-540,512.48

Finding the Fourth Proportional to 1,439,140.24, 2,158,316.26 and 540,512.48

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Solution

The fourth proportional to 1,439,140.24, 2,158,316.26 and 540,512.48 is: 810,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,140.24 : 2,158,316.26 = 540,512.48 : x
  2. Step 2: Convert to fraction form
    1,439,140.24/2,158,316.26 = 540,512.48/x
  3. Step 3: Cross multiply
    1,439,140.24x = 2,158,316.26 × 540,512.48
  4. Step 4: Simplify right side
    1,439,140.24x = 1,166,596,874,316.92
  5. Step 5: Solve for x
    x = 1,166,596,874,316.92/1,439,140.24
  6. Step 6: Final answer
    x = 810,620.70

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1.5x scale

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.