Home / 1,520,305.74-2,280,813.31-440,840.81

Finding the Fourth Proportional to 1,520,305.74, 2,280,813.31 and 440,840.81

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Solution

The fourth proportional to 1,520,305.74, 2,280,813.31 and 440,840.81 is: 661,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,305.74 : 2,280,813.31 = 440,840.81 : x
  2. Step 2: Convert to fraction form
    1,520,305.74/2,280,813.31 = 440,840.81/x
  3. Step 3: Cross multiply
    1,520,305.74x = 2,280,813.31 × 440,840.81
  4. Step 4: Simplify right side
    1,520,305.74x = 1,005,475,594,532.13
  5. Step 5: Solve for x
    x = 1,005,475,594,532.13/1,520,305.74
  6. Step 6: Final answer
    x = 661,364.07

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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.