Home / 1,539,000.72-2,308,749.12-474,042.28

Finding the Fourth Proportional to 1,539,000.72, 2,308,749.12 and 474,042.28

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Solution

The fourth proportional to 1,539,000.72, 2,308,749.12 and 474,042.28 is: 711,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,000.72 : 2,308,749.12 = 474,042.28 : x
  2. Step 2: Convert to fraction form
    1,539,000.72/2,308,749.12 = 474,042.28/x
  3. Step 3: Cross multiply
    1,539,000.72x = 2,308,749.12 × 474,042.28
  4. Step 4: Simplify right side
    1,539,000.72x = 1,094,444,696,792.79
  5. Step 5: Solve for x
    x = 1,094,444,696,792.79/1,539,000.72
  6. Step 6: Final answer
    x = 711,139.82

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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.