Home / 1,011,433.12-1,517,371.40-380,346.72

Finding the Fourth Proportional to 1,011,433.12, 1,517,371.40 and 380,346.72

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Solution

The fourth proportional to 1,011,433.12, 1,517,371.40 and 380,346.72 is: 570,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,433.12 : 1,517,371.40 = 380,346.72 : x
  2. Step 2: Convert to fraction form
    1,011,433.12/1,517,371.40 = 380,346.72/x
  3. Step 3: Cross multiply
    1,011,433.12x = 1,517,371.40 × 380,346.72
  4. Step 4: Simplify right side
    1,011,433.12x = 577,127,235,011.81
  5. Step 5: Solve for x
    x = 577,127,235,011.81/1,011,433.12
  6. Step 6: Final answer
    x = 570,603.46

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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.