Home / 1,539,712.78-2,309,420.58-474,468.82

Finding the Fourth Proportional to 1,539,712.78, 2,309,420.58 and 474,468.82

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Solution

The fourth proportional to 1,539,712.78, 2,309,420.58 and 474,468.82 is: 711,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,712.78 : 2,309,420.58 = 474,468.82 : x
  2. Step 2: Convert to fraction form
    1,539,712.78/2,309,420.58 = 474,468.82/x
  3. Step 3: Cross multiply
    1,539,712.78x = 2,309,420.58 × 474,468.82
  4. Step 4: Simplify right side
    1,539,712.78x = 1,095,748,057,476.32
  5. Step 5: Solve for x
    x = 1,095,748,057,476.32/1,539,712.78
  6. Step 6: Final answer
    x = 711,657.44

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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.