Home / 1,416,727.46-2,125,719.35-742,647.89

Finding the Fourth Proportional to 1,416,727.46, 2,125,719.35 and 742,647.89

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Solution

The fourth proportional to 1,416,727.46, 2,125,719.35 and 742,647.89 is: 1,114,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,727.46 : 2,125,719.35 = 742,647.89 : x
  2. Step 2: Convert to fraction form
    1,416,727.46/2,125,719.35 = 742,647.89/x
  3. Step 3: Cross multiply
    1,416,727.46x = 2,125,719.35 × 742,647.89
  4. Step 4: Simplify right side
    1,416,727.46x = 1,578,660,994,395.66
  5. Step 5: Solve for x
    x = 1,578,660,994,395.66/1,416,727.46
  6. Step 6: Final answer
    x = 1,114,301.12

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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.