Home / 1,461,773.07-2,191,661.78-778,762.04

Finding the Fourth Proportional to 1,461,773.07, 2,191,661.78 and 778,762.04

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Solution

The fourth proportional to 1,461,773.07, 2,191,661.78 and 778,762.04 is: 1,167,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,773.07 : 2,191,661.78 = 778,762.04 : x
  2. Step 2: Convert to fraction form
    1,461,773.07/2,191,661.78 = 778,762.04/x
  3. Step 3: Cross multiply
    1,461,773.07x = 2,191,661.78 × 778,762.04
  4. Step 4: Simplify right side
    1,461,773.07x = 1,706,782,983,930.71
  5. Step 5: Solve for x
    x = 1,706,782,983,930.71/1,461,773.07
  6. Step 6: Final answer
    x = 1,167,611.46

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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.