Home / 1,455,269.79-2,183,390.44-645,542.46

Finding the Fourth Proportional to 1,455,269.79, 2,183,390.44 and 645,542.46

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Solution

The fourth proportional to 1,455,269.79, 2,183,390.44 and 645,542.46 is: 968,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,269.79 : 2,183,390.44 = 645,542.46 : x
  2. Step 2: Convert to fraction form
    1,455,269.79/2,183,390.44 = 645,542.46/x
  3. Step 3: Cross multiply
    1,455,269.79x = 2,183,390.44 × 645,542.46
  4. Step 4: Simplify right side
    1,455,269.79x = 1,409,471,234,164.23
  5. Step 5: Solve for x
    x = 1,409,471,234,164.23/1,455,269.79
  6. Step 6: Final answer
    x = 968,529.16

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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.