Home / 1,642,688.40-2,464,378.20-695,571.60

Finding the Fourth Proportional to 1,642,688.40, 2,464,378.20 and 695,571.60

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Solution

The fourth proportional to 1,642,688.40, 2,464,378.20 and 695,571.60 is: 1,043,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,688.40 : 2,464,378.20 = 695,571.60 : x
  2. Step 2: Convert to fraction form
    1,642,688.40/2,464,378.20 = 695,571.60/x
  3. Step 3: Cross multiply
    1,642,688.40x = 2,464,378.20 × 695,571.60
  4. Step 4: Simplify right side
    1,642,688.40x = 1,714,151,487,579.12
  5. Step 5: Solve for x
    x = 1,714,151,487,579.12/1,642,688.40
  6. Step 6: Final answer
    x = 1,043,503.74

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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.