Home / 1,000,163.89-1,380,077.58-607,492.45

Finding the Fourth Proportional to 1,000,163.89, 1,380,077.58 and 607,492.45

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Solution

The fourth proportional to 1,000,163.89, 1,380,077.58 and 607,492.45 is: 838,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,163.89 : 1,380,077.58 = 607,492.45 : x
  2. Step 2: Convert to fraction form
    1,000,163.89/1,380,077.58 = 607,492.45/x
  3. Step 3: Cross multiply
    1,000,163.89x = 1,380,077.58 × 607,492.45
  4. Step 4: Simplify right side
    1,000,163.89x = 838,386,710,264.27
  5. Step 5: Solve for x
    x = 838,386,710,264.27/1,000,163.89
  6. Step 6: Final answer
    x = 838,249.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.