Home / 1,232,215.40-1,848,467.10-390,852.20

Finding the Fourth Proportional to 1,232,215.40, 1,848,467.10 and 390,852.20

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Solution

The fourth proportional to 1,232,215.40, 1,848,467.10 and 390,852.20 is: 586,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,215.40 : 1,848,467.10 = 390,852.20 : x
  2. Step 2: Convert to fraction form
    1,232,215.40/1,848,467.10 = 390,852.20/x
  3. Step 3: Cross multiply
    1,232,215.40x = 1,848,467.10 × 390,852.20
  4. Step 4: Simplify right side
    1,232,215.40x = 722,477,432,662.62
  5. Step 5: Solve for x
    x = 722,477,432,662.62/1,232,215.40
  6. Step 6: Final answer
    x = 586,323.98

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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.