Home / 1,436,866.08-2,155,307.63-425,996.85

Finding the Fourth Proportional to 1,436,866.08, 2,155,307.63 and 425,996.85

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Solution

The fourth proportional to 1,436,866.08, 2,155,307.63 and 425,996.85 is: 638,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,866.08 : 2,155,307.63 = 425,996.85 : x
  2. Step 2: Convert to fraction form
    1,436,866.08/2,155,307.63 = 425,996.85/x
  3. Step 3: Cross multiply
    1,436,866.08x = 2,155,307.63 × 425,996.85
  4. Step 4: Simplify right side
    1,436,866.08x = 918,154,259,030.98
  5. Step 5: Solve for x
    x = 918,154,259,030.98/1,436,866.08
  6. Step 6: Final answer
    x = 638,997.80

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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.