Home / 1,377,973.37-2,066,826.40-418,437.32

Finding the Fourth Proportional to 1,377,973.37, 2,066,826.40 and 418,437.32

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Solution

The fourth proportional to 1,377,973.37, 2,066,826.40 and 418,437.32 is: 627,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,973.37 : 2,066,826.40 = 418,437.32 : x
  2. Step 2: Convert to fraction form
    1,377,973.37/2,066,826.40 = 418,437.32/x
  3. Step 3: Cross multiply
    1,377,973.37x = 2,066,826.40 × 418,437.32
  4. Step 4: Simplify right side
    1,377,973.37x = 864,837,288,341.02
  5. Step 5: Solve for x
    x = 864,837,288,341.02/1,377,973.37
  6. Step 6: Final answer
    x = 627,615.38

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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.