Home / 1,097,157.86-1,513,415.79-724,623.06

Finding the Fourth Proportional to 1,097,157.86, 1,513,415.79 and 724,623.06

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Solution

The fourth proportional to 1,097,157.86, 1,513,415.79 and 724,623.06 is: 999,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,157.86 : 1,513,415.79 = 724,623.06 : x
  2. Step 2: Convert to fraction form
    1,097,157.86/1,513,415.79 = 724,623.06/x
  3. Step 3: Cross multiply
    1,097,157.86x = 1,513,415.79 × 724,623.06
  4. Step 4: Simplify right side
    1,097,157.86x = 1,096,655,986,477.43
  5. Step 5: Solve for x
    x = 1,096,655,986,477.43/1,097,157.86
  6. Step 6: Final answer
    x = 999,542.57

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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.