Home / 1,114,486.95-1,538,009.88-631,039.17

Finding the Fourth Proportional to 1,114,486.95, 1,538,009.88 and 631,039.17

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Solution

The fourth proportional to 1,114,486.95, 1,538,009.88 and 631,039.17 is: 870,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,486.95 : 1,538,009.88 = 631,039.17 : x
  2. Step 2: Convert to fraction form
    1,114,486.95/1,538,009.88 = 631,039.17/x
  3. Step 3: Cross multiply
    1,114,486.95x = 1,538,009.88 × 631,039.17
  4. Step 4: Simplify right side
    1,114,486.95x = 970,544,478,127.00
  5. Step 5: Solve for x
    x = 970,544,478,127.00/1,114,486.95
  6. Step 6: Final answer
    x = 870,844.18

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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.