Home / 1,124,187.86-1,551,885.89-716,837.24

Finding the Fourth Proportional to 1,124,187.86, 1,551,885.89 and 716,837.24

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Solution

The fourth proportional to 1,124,187.86, 1,551,885.89 and 716,837.24 is: 989,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,187.86 : 1,551,885.89 = 716,837.24 : x
  2. Step 2: Convert to fraction form
    1,124,187.86/1,551,885.89 = 716,837.24/x
  3. Step 3: Cross multiply
    1,124,187.86x = 1,551,885.89 × 716,837.24
  4. Step 4: Simplify right side
    1,124,187.86x = 1,112,449,598,478.07
  5. Step 5: Solve for x
    x = 1,112,449,598,478.07/1,124,187.86
  6. Step 6: Final answer
    x = 989,558.45

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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.