Home / 1,478,465.22-2,219,740.05-1,021,931.82

Finding the Fourth Proportional to 1,478,465.22, 2,219,740.05 and 1,021,931.82

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Solution

The fourth proportional to 1,478,465.22, 2,219,740.05 and 1,021,931.82 is: 1,534,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,465.22 : 2,219,740.05 = 1,021,931.82 : x
  2. Step 2: Convert to fraction form
    1,478,465.22/2,219,740.05 = 1,021,931.82/x
  3. Step 3: Cross multiply
    1,478,465.22x = 2,219,740.05 × 1,021,931.82
  4. Step 4: Simplify right side
    1,478,465.22x = 2,268,422,989,223.39
  5. Step 5: Solve for x
    x = 2,268,422,989,223.39/1,478,465.22
  6. Step 6: Final answer
    x = 1,534,309.34

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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.