Home / 1,121,487.32-1,682,254.86-401,875.96

Finding the Fourth Proportional to 1,121,487.32, 1,682,254.86 and 401,875.96

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Solution

The fourth proportional to 1,121,487.32, 1,682,254.86 and 401,875.96 is: 602,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,487.32 : 1,682,254.86 = 401,875.96 : x
  2. Step 2: Convert to fraction form
    1,121,487.32/1,682,254.86 = 401,875.96/x
  3. Step 3: Cross multiply
    1,121,487.32x = 1,682,254.86 × 401,875.96
  4. Step 4: Simplify right side
    1,121,487.32x = 676,057,786,827.17
  5. Step 5: Solve for x
    x = 676,057,786,827.17/1,121,487.32
  6. Step 6: Final answer
    x = 602,822.50

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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.