Home / 1,136,131.86-1,703,772.51-487,626.18

Finding the Fourth Proportional to 1,136,131.86, 1,703,772.51 and 487,626.18

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Solution

The fourth proportional to 1,136,131.86, 1,703,772.51 and 487,626.18 is: 731,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,131.86 : 1,703,772.51 = 487,626.18 : x
  2. Step 2: Convert to fraction form
    1,136,131.86/1,703,772.51 = 487,626.18/x
  3. Step 3: Cross multiply
    1,136,131.86x = 1,703,772.51 × 487,626.18
  4. Step 4: Simplify right side
    1,136,131.86x = 830,804,080,640.31
  5. Step 5: Solve for x
    x = 830,804,080,640.31/1,136,131.86
  6. Step 6: Final answer
    x = 731,256.74

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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.