Home / 1,335,257.86-1,997,164.60-1,238,337.53

Finding the Fourth Proportional to 1,335,257.86, 1,997,164.60 and 1,238,337.53

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Solution

The fourth proportional to 1,335,257.86, 1,997,164.60 and 1,238,337.53 is: 1,852,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,257.86 : 1,997,164.60 = 1,238,337.53 : x
  2. Step 2: Convert to fraction form
    1,335,257.86/1,997,164.60 = 1,238,337.53/x
  3. Step 3: Cross multiply
    1,335,257.86x = 1,997,164.60 × 1,238,337.53
  4. Step 4: Simplify right side
    1,335,257.86x = 2,473,163,879,664.51
  5. Step 5: Solve for x
    x = 2,473,163,879,664.51/1,335,257.86
  6. Step 6: Final answer
    x = 1,852,199.46

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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.