Home / 1,539,113.40-2,308,670.10-474,481.80

Finding the Fourth Proportional to 1,539,113.40, 2,308,670.10 and 474,481.80

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Solution

The fourth proportional to 1,539,113.40, 2,308,670.10 and 474,481.80 is: 711,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,113.40 : 2,308,670.10 = 474,481.80 : x
  2. Step 2: Convert to fraction form
    1,539,113.40/2,308,670.10 = 474,481.80/x
  3. Step 3: Cross multiply
    1,539,113.40x = 2,308,670.10 × 474,481.80
  4. Step 4: Simplify right side
    1,539,113.40x = 1,095,421,944,654.18
  5. Step 5: Solve for x
    x = 1,095,421,944,654.18/1,539,113.40
  6. Step 6: Final answer
    x = 711,722.70

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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.