Home / 1,129,710-1,695,265.32-656,618.16

Finding the Fourth Proportional to 1,129,710, 1,695,265.32 and 656,618.16

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Solution

The fourth proportional to 1,129,710, 1,695,265.32 and 656,618.16 is: 985,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,710 : 1,695,265.32 = 656,618.16 : x
  2. Step 2: Convert to fraction form
    1,129,710/1,695,265.32 = 656,618.16/x
  3. Step 3: Cross multiply
    1,129,710x = 1,695,265.32 × 656,618.16
  4. Step 4: Simplify right side
    1,129,710x = 1,113,141,995,130.21
  5. Step 5: Solve for x
    x = 1,113,141,995,130.21/1,129,710
  6. Step 6: Final answer
    x = 985,334.29

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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.