Home / 1,114,810.51-1,538,458.77-631,476.01

Finding the Fourth Proportional to 1,114,810.51, 1,538,458.77 and 631,476.01

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Solution

The fourth proportional to 1,114,810.51, 1,538,458.77 and 631,476.01 is: 871,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,810.51 : 1,538,458.77 = 631,476.01 : x
  2. Step 2: Convert to fraction form
    1,114,810.51/1,538,458.77 = 631,476.01/x
  3. Step 3: Cross multiply
    1,114,810.51x = 1,538,458.77 × 631,476.01
  4. Step 4: Simplify right side
    1,114,810.51x = 971,499,805,629.11
  5. Step 5: Solve for x
    x = 971,499,805,629.11/1,114,810.51
  6. Step 6: Final answer
    x = 871,448.37

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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.