Home / 1,000,415.75-1,500,156.56-360,635.22

Finding the Fourth Proportional to 1,000,415.75, 1,500,156.56 and 360,635.22

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Solution

The fourth proportional to 1,000,415.75, 1,500,156.56 and 360,635.22 is: 540,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,415.75 : 1,500,156.56 = 360,635.22 : x
  2. Step 2: Convert to fraction form
    1,000,415.75/1,500,156.56 = 360,635.22/x
  3. Step 3: Cross multiply
    1,000,415.75x = 1,500,156.56 × 360,635.22
  4. Step 4: Simplify right side
    1,000,415.75x = 541,009,294,872.45
  5. Step 5: Solve for x
    x = 541,009,294,872.45/1,000,415.75
  6. Step 6: Final answer
    x = 540,784.46

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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.