Home / 1,012,898.81-1,398,230.76-631,114.22

Finding the Fourth Proportional to 1,012,898.81, 1,398,230.76 and 631,114.22

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Solution

The fourth proportional to 1,012,898.81, 1,398,230.76 and 631,114.22 is: 871,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,898.81 : 1,398,230.76 = 631,114.22 : x
  2. Step 2: Convert to fraction form
    1,012,898.81/1,398,230.76 = 631,114.22/x
  3. Step 3: Cross multiply
    1,012,898.81x = 1,398,230.76 × 631,114.22
  4. Step 4: Simplify right side
    1,012,898.81x = 882,443,308,486.25
  5. Step 5: Solve for x
    x = 882,443,308,486.25/1,012,898.81
  6. Step 6: Final answer
    x = 871,205.79

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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.