Home / 1,242,969.13-1,855,343.71-1,151,680.01

Finding the Fourth Proportional to 1,242,969.13, 1,855,343.71 and 1,151,680.01

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Solution

The fourth proportional to 1,242,969.13, 1,855,343.71 and 1,151,680.01 is: 1,719,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,969.13 : 1,855,343.71 = 1,151,680.01 : x
  2. Step 2: Convert to fraction form
    1,242,969.13/1,855,343.71 = 1,151,680.01/x
  3. Step 3: Cross multiply
    1,242,969.13x = 1,855,343.71 × 1,151,680.01
  4. Step 4: Simplify right side
    1,242,969.13x = 2,136,762,254,649.12
  5. Step 5: Solve for x
    x = 2,136,762,254,649.12/1,242,969.13
  6. Step 6: Final answer
    x = 1,719,079.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.