Home / 1,564,074.72-2,157,921.48-875,645.34

Finding the Fourth Proportional to 1,564,074.72, 2,157,921.48 and 875,645.34

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Solution

The fourth proportional to 1,564,074.72, 2,157,921.48 and 875,645.34 is: 1,208,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,074.72 : 2,157,921.48 = 875,645.34 : x
  2. Step 2: Convert to fraction form
    1,564,074.72/2,157,921.48 = 875,645.34/x
  3. Step 3: Cross multiply
    1,564,074.72x = 2,157,921.48 × 875,645.34
  4. Step 4: Simplify right side
    1,564,074.72x = 1,889,573,888,047.90
  5. Step 5: Solve for x
    x = 1,889,573,888,047.90/1,564,074.72
  6. Step 6: Final answer
    x = 1,208,109.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.