Home / 1,170,055.40-1,755,666.30-665,004.20

Finding the Fourth Proportional to 1,170,055.40, 1,755,666.30 and 665,004.20

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Solution

The fourth proportional to 1,170,055.40, 1,755,666.30 and 665,004.20 is: 997,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,055.40 : 1,755,666.30 = 665,004.20 : x
  2. Step 2: Convert to fraction form
    1,170,055.40/1,755,666.30 = 665,004.20/x
  3. Step 3: Cross multiply
    1,170,055.40x = 1,755,666.30 × 665,004.20
  4. Step 4: Simplify right side
    1,170,055.40x = 1,167,525,463,298.46
  5. Step 5: Solve for x
    x = 1,167,525,463,298.46/1,170,055.40
  6. Step 6: Final answer
    x = 997,837.76

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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.