Home / 1,272,669.84-1,909,005.30-374,111.64

Finding the Fourth Proportional to 1,272,669.84, 1,909,005.30 and 374,111.64

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Solution

The fourth proportional to 1,272,669.84, 1,909,005.30 and 374,111.64 is: 561,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,669.84 : 1,909,005.30 = 374,111.64 : x
  2. Step 2: Convert to fraction form
    1,272,669.84/1,909,005.30 = 374,111.64/x
  3. Step 3: Cross multiply
    1,272,669.84x = 1,909,005.30 × 374,111.64
  4. Step 4: Simplify right side
    1,272,669.84x = 714,181,103,551.69
  5. Step 5: Solve for x
    x = 714,181,103,551.69/1,272,669.84
  6. Step 6: Final answer
    x = 561,167.62

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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.