Home / 1,331,457.90-1,997,689.95-799,349.87

Finding the Fourth Proportional to 1,331,457.90, 1,997,689.95 and 799,349.87

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Solution

The fourth proportional to 1,331,457.90, 1,997,689.95 and 799,349.87 is: 1,199,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,457.90 : 1,997,689.95 = 799,349.87 : x
  2. Step 2: Convert to fraction form
    1,331,457.90/1,997,689.95 = 799,349.87/x
  3. Step 3: Cross multiply
    1,331,457.90x = 1,997,689.95 × 799,349.87
  4. Step 4: Simplify right side
    1,331,457.90x = 1,596,853,191,844.36
  5. Step 5: Solve for x
    x = 1,596,853,191,844.36/1,331,457.90
  6. Step 6: Final answer
    x = 1,199,326.84

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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.