Home / 1,029,142.07-1,420,216.05-626,734.07

Finding the Fourth Proportional to 1,029,142.07, 1,420,216.05 and 626,734.07

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Solution

The fourth proportional to 1,029,142.07, 1,420,216.05 and 626,734.07 is: 864,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,142.07 : 1,420,216.05 = 626,734.07 : x
  2. Step 2: Convert to fraction form
    1,029,142.07/1,420,216.05 = 626,734.07/x
  3. Step 3: Cross multiply
    1,029,142.07x = 1,420,216.05 × 626,734.07
  4. Step 4: Simplify right side
    1,029,142.07x = 890,097,775,061.07
  5. Step 5: Solve for x
    x = 890,097,775,061.07/1,029,142.07
  6. Step 6: Final answer
    x = 864,893.01

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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.