Home / 1,423,026.80-2,133,810.60-425,625.20

Finding the Fourth Proportional to 1,423,026.80, 2,133,810.60 and 425,625.20

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Solution

The fourth proportional to 1,423,026.80, 2,133,810.60 and 425,625.20 is: 638,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,026.80 : 2,133,810.60 = 425,625.20 : x
  2. Step 2: Convert to fraction form
    1,423,026.80/2,133,810.60 = 425,625.20/x
  3. Step 3: Cross multiply
    1,423,026.80x = 2,133,810.60 × 425,625.20
  4. Step 4: Simplify right side
    1,423,026.80x = 908,203,563,387.12
  5. Step 5: Solve for x
    x = 908,203,563,387.12/1,423,026.80
  6. Step 6: Final answer
    x = 638,219.58

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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.