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Finding the Fourth Proportional to 740,065.40, 1,110,098.10 and 740,065.40

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Solution

The fourth proportional to 740,065.40, 1,110,098.10 and 740,065.40 is: 1,110,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,065.40 : 1,110,098.10 = 740,065.40 : x
  2. Step 2: Convert to fraction form
    740,065.40/1,110,098.10 = 740,065.40/x
  3. Step 3: Cross multiply
    740,065.40x = 1,110,098.10 × 740,065.40
  4. Step 4: Simplify right side
    740,065.40x = 821,545,194,415.74
  5. Step 5: Solve for x
    x = 821,545,194,415.74/740,065.40
  6. Step 6: Final answer
    x = 1,110,098.10

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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.