Home / 1,400,098-2,100,147.03-402,826

Finding the Fourth Proportional to 1,400,098, 2,100,147.03 and 402,826

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Solution

The fourth proportional to 1,400,098, 2,100,147.03 and 402,826 is: 604,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,098 : 2,100,147.03 = 402,826 : x
  2. Step 2: Convert to fraction form
    1,400,098/2,100,147.03 = 402,826/x
  3. Step 3: Cross multiply
    1,400,098x = 2,100,147.03 × 402,826
  4. Step 4: Simplify right side
    1,400,098x = 845,993,827,506.78
  5. Step 5: Solve for x
    x = 845,993,827,506.78/1,400,098
  6. Step 6: Final answer
    x = 604,239.01

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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.