Home / 1,214,007.02-1,675,320.42-670,143.22

Finding the Fourth Proportional to 1,214,007.02, 1,675,320.42 and 670,143.22

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Solution

The fourth proportional to 1,214,007.02, 1,675,320.42 and 670,143.22 is: 924,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,007.02 : 1,675,320.42 = 670,143.22 : x
  2. Step 2: Convert to fraction form
    1,214,007.02/1,675,320.42 = 670,143.22/x
  3. Step 3: Cross multiply
    1,214,007.02x = 1,675,320.42 × 670,143.22
  4. Step 4: Simplify right side
    1,214,007.02x = 1,122,704,616,602.25
  5. Step 5: Solve for x
    x = 1,122,704,616,602.25/1,214,007.02
  6. Step 6: Final answer
    x = 924,792.53

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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.