Home / 1,426,709.47-2,139,442.08-539,623.39

Finding the Fourth Proportional to 1,426,709.47, 2,139,442.08 and 539,623.39

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Solution

The fourth proportional to 1,426,709.47, 2,139,442.08 and 539,623.39 is: 809,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,709.47 : 2,139,442.08 = 539,623.39 : x
  2. Step 2: Convert to fraction form
    1,426,709.47/2,139,442.08 = 539,623.39/x
  3. Step 3: Cross multiply
    1,426,709.47x = 2,139,442.08 × 539,623.39
  4. Step 4: Simplify right side
    1,426,709.47x = 1,154,492,987,918.25
  5. Step 5: Solve for x
    x = 1,154,492,987,918.25/1,426,709.47
  6. Step 6: Final answer
    x = 809,199.78

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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.