Home / 1,199,741.81-1,655,663.40-716,349.20

Finding the Fourth Proportional to 1,199,741.81, 1,655,663.40 and 716,349.20

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Solution

The fourth proportional to 1,199,741.81, 1,655,663.40 and 716,349.20 is: 988,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,741.81 : 1,655,663.40 = 716,349.20 : x
  2. Step 2: Convert to fraction form
    1,199,741.81/1,655,663.40 = 716,349.20/x
  3. Step 3: Cross multiply
    1,199,741.81x = 1,655,663.40 × 716,349.20
  4. Step 4: Simplify right side
    1,199,741.81x = 1,186,033,143,780.96
  5. Step 5: Solve for x
    x = 1,186,033,143,780.96/1,199,741.81
  6. Step 6: Final answer
    x = 988,573.66

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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.