Home / 1,492,200.37-2,059,239.14-813,136.87

Finding the Fourth Proportional to 1,492,200.37, 2,059,239.14 and 813,136.87

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Solution

The fourth proportional to 1,492,200.37, 2,059,239.14 and 813,136.87 is: 1,122,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,200.37 : 2,059,239.14 = 813,136.87 : x
  2. Step 2: Convert to fraction form
    1,492,200.37/2,059,239.14 = 813,136.87/x
  3. Step 3: Cross multiply
    1,492,200.37x = 2,059,239.14 × 813,136.87
  4. Step 4: Simplify right side
    1,492,200.37x = 1,674,443,268,881.09
  5. Step 5: Solve for x
    x = 1,674,443,268,881.09/1,492,200.37
  6. Step 6: Final answer
    x = 1,122,130.31

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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.