Home / 1,009,178.79-1,513,768.19-692,676.15

Finding the Fourth Proportional to 1,009,178.79, 1,513,768.19 and 692,676.15

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Solution

The fourth proportional to 1,009,178.79, 1,513,768.19 and 692,676.15 is: 1,039,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,178.79 : 1,513,768.19 = 692,676.15 : x
  2. Step 2: Convert to fraction form
    1,009,178.79/1,513,768.19 = 692,676.15/x
  3. Step 3: Cross multiply
    1,009,178.79x = 1,513,768.19 × 692,676.15
  4. Step 4: Simplify right side
    1,009,178.79x = 1,048,551,118,378.29
  5. Step 5: Solve for x
    x = 1,048,551,118,378.29/1,009,178.79
  6. Step 6: Final answer
    x = 1,039,014.23

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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.