Home / 1,431,981.92-1,975,643.29-887,921.93

Finding the Fourth Proportional to 1,431,981.92, 1,975,643.29 and 887,921.93

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Solution

The fourth proportional to 1,431,981.92, 1,975,643.29 and 887,921.93 is: 1,225,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,981.92 : 1,975,643.29 = 887,921.93 : x
  2. Step 2: Convert to fraction form
    1,431,981.92/1,975,643.29 = 887,921.93/x
  3. Step 3: Cross multiply
    1,431,981.92x = 1,975,643.29 × 887,921.93
  4. Step 4: Simplify right side
    1,431,981.92x = 1,754,217,003,048.35
  5. Step 5: Solve for x
    x = 1,754,217,003,048.35/1,431,981.92
  6. Step 6: Final answer
    x = 1,225,027.34

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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.