Home / 1,470,911.81-2,205,103.89-511,242.74

Finding the Fourth Proportional to 1,470,911.81, 2,205,103.89 and 511,242.74

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Solution

The fourth proportional to 1,470,911.81, 2,205,103.89 and 511,242.74 is: 766,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,911.81 : 2,205,103.89 = 511,242.74 : x
  2. Step 2: Convert to fraction form
    1,470,911.81/2,205,103.89 = 511,242.74/x
  3. Step 3: Cross multiply
    1,470,911.81x = 2,205,103.89 × 511,242.74
  4. Step 4: Simplify right side
    1,470,911.81x = 1,127,343,343,682.74
  5. Step 5: Solve for x
    x = 1,127,343,343,682.74/1,470,911.81
  6. Step 6: Final answer
    x = 766,424.84

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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.