Home / 1,009,224.40-1,513,836.60-409,986.40

Finding the Fourth Proportional to 1,009,224.40, 1,513,836.60 and 409,986.40

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Solution

The fourth proportional to 1,009,224.40, 1,513,836.60 and 409,986.40 is: 614,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,224.40 : 1,513,836.60 = 409,986.40 : x
  2. Step 2: Convert to fraction form
    1,009,224.40/1,513,836.60 = 409,986.40/x
  3. Step 3: Cross multiply
    1,009,224.40x = 1,513,836.60 × 409,986.40
  4. Step 4: Simplify right side
    1,009,224.40x = 620,652,417,822.24
  5. Step 5: Solve for x
    x = 620,652,417,822.24/1,009,224.40
  6. Step 6: Final answer
    x = 614,979.60

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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.