Home / 1,007,502.42-1,390,247.64-571,781.01

Finding the Fourth Proportional to 1,007,502.42, 1,390,247.64 and 571,781.01

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Solution

The fourth proportional to 1,007,502.42, 1,390,247.64 and 571,781.01 is: 788,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,502.42 : 1,390,247.64 = 571,781.01 : x
  2. Step 2: Convert to fraction form
    1,007,502.42/1,390,247.64 = 571,781.01/x
  3. Step 3: Cross multiply
    1,007,502.42x = 1,390,247.64 × 571,781.01
  4. Step 4: Simplify right side
    1,007,502.42x = 794,917,199,749.32
  5. Step 5: Solve for x
    x = 794,917,199,749.32/1,007,502.42
  6. Step 6: Final answer
    x = 788,997.81

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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.