Home / 1,168,122-1,612,008.40-631,578

Finding the Fourth Proportional to 1,168,122, 1,612,008.40 and 631,578

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Solution

The fourth proportional to 1,168,122, 1,612,008.40 and 631,578 is: 871,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,122 : 1,612,008.40 = 631,578 : x
  2. Step 2: Convert to fraction form
    1,168,122/1,612,008.40 = 631,578/x
  3. Step 3: Cross multiply
    1,168,122x = 1,612,008.40 × 631,578
  4. Step 4: Simplify right side
    1,168,122x = 1,018,109,041,255.20
  5. Step 5: Solve for x
    x = 1,018,109,041,255.20/1,168,122
  6. Step 6: Final answer
    x = 871,577.66

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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.