Home / 1,398,210.55-2,097,317.01-668,562.10

Finding the Fourth Proportional to 1,398,210.55, 2,097,317.01 and 668,562.10

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Solution

The fourth proportional to 1,398,210.55, 2,097,317.01 and 668,562.10 is: 1,002,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,210.55 : 2,097,317.01 = 668,562.10 : x
  2. Step 2: Convert to fraction form
    1,398,210.55/2,097,317.01 = 668,562.10/x
  3. Step 3: Cross multiply
    1,398,210.55x = 2,097,317.01 × 668,562.10
  4. Step 4: Simplify right side
    1,398,210.55x = 1,402,186,650,741.93
  5. Step 5: Solve for x
    x = 1,402,186,650,741.93/1,398,210.55
  6. Step 6: Final answer
    x = 1,002,843.71

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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.