Home / 1,114,675.19-1,538,346.63-631,326.32

Finding the Fourth Proportional to 1,114,675.19, 1,538,346.63 and 631,326.32

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Solution

The fourth proportional to 1,114,675.19, 1,538,346.63 and 631,326.32 is: 871,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,675.19 : 1,538,346.63 = 631,326.32 : x
  2. Step 2: Convert to fraction form
    1,114,675.19/1,538,346.63 = 631,326.32/x
  3. Step 3: Cross multiply
    1,114,675.19x = 1,538,346.63 × 631,326.32
  4. Step 4: Simplify right side
    1,114,675.19x = 971,198,716,802.30
  5. Step 5: Solve for x
    x = 971,198,716,802.30/1,114,675.19
  6. Step 6: Final answer
    x = 871,284.05

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Double scale
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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.