Home / 1,398,669.48-2,099,967.04-716,043.90

Finding the Fourth Proportional to 1,398,669.48, 2,099,967.04 and 716,043.90

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Solution

The fourth proportional to 1,398,669.48, 2,099,967.04 and 716,043.90 is: 1,075,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,669.48 : 2,099,967.04 = 716,043.90 : x
  2. Step 2: Convert to fraction form
    1,398,669.48/2,099,967.04 = 716,043.90/x
  3. Step 3: Cross multiply
    1,398,669.48x = 2,099,967.04 × 716,043.90
  4. Step 4: Simplify right side
    1,398,669.48x = 1,503,668,589,193.06
  5. Step 5: Solve for x
    x = 1,503,668,589,193.06/1,398,669.48
  6. Step 6: Final answer
    x = 1,075,070.71

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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.