Home / 1,461,765.64-2,191,650.63-778,754.60

Finding the Fourth Proportional to 1,461,765.64, 2,191,650.63 and 778,754.60

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Solution

The fourth proportional to 1,461,765.64, 2,191,650.63 and 778,754.60 is: 1,167,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,765.64 : 2,191,650.63 = 778,754.60 : x
  2. Step 2: Convert to fraction form
    1,461,765.64/2,191,650.63 = 778,754.60/x
  3. Step 3: Cross multiply
    1,461,765.64x = 2,191,650.63 × 778,754.60
  4. Step 4: Simplify right side
    1,461,765.64x = 1,706,758,009,705.40
  5. Step 5: Solve for x
    x = 1,706,758,009,705.40/1,461,765.64
  6. Step 6: Final answer
    x = 1,167,600.31

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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.