Home / 1,232,267.28-1,848,386.40-390,826.32

Finding the Fourth Proportional to 1,232,267.28, 1,848,386.40 and 390,826.32

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Solution

The fourth proportional to 1,232,267.28, 1,848,386.40 and 390,826.32 is: 586,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,267.28 : 1,848,386.40 = 390,826.32 : x
  2. Step 2: Convert to fraction form
    1,232,267.28/1,848,386.40 = 390,826.32/x
  3. Step 3: Cross multiply
    1,232,267.28x = 1,848,386.40 × 390,826.32
  4. Step 4: Simplify right side
    1,232,267.28x = 722,398,054,650.05
  5. Step 5: Solve for x
    x = 722,398,054,650.05/1,232,267.28
  6. Step 6: Final answer
    x = 586,234.87

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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.