Home / 1,407,533.16-2,109,607.24-648,330.72

Finding the Fourth Proportional to 1,407,533.16, 2,109,607.24 and 648,330.72

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Solution

The fourth proportional to 1,407,533.16, 2,109,607.24 and 648,330.72 is: 971,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,533.16 : 2,109,607.24 = 648,330.72 : x
  2. Step 2: Convert to fraction form
    1,407,533.16/2,109,607.24 = 648,330.72/x
  3. Step 3: Cross multiply
    1,407,533.16x = 2,109,607.24 × 648,330.72
  4. Step 4: Simplify right side
    1,407,533.16x = 1,367,723,180,826.41
  5. Step 5: Solve for x
    x = 1,367,723,180,826.41/1,407,533.16
  6. Step 6: Final answer
    x = 971,716.49

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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.