Home / 1,162,424.64-1,603,587.40-1,000,999.45

Finding the Fourth Proportional to 1,162,424.64, 1,603,587.40 and 1,000,999.45

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Solution

The fourth proportional to 1,162,424.64, 1,603,587.40 and 1,000,999.45 is: 1,380,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,424.64 : 1,603,587.40 = 1,000,999.45 : x
  2. Step 2: Convert to fraction form
    1,162,424.64/1,603,587.40 = 1,000,999.45/x
  3. Step 3: Cross multiply
    1,162,424.64x = 1,603,587.40 × 1,000,999.45
  4. Step 4: Simplify right side
    1,162,424.64x = 1,605,190,105,426.93
  5. Step 5: Solve for x
    x = 1,605,190,105,426.93/1,162,424.64
  6. Step 6: Final answer
    x = 1,380,898.21

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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.