Home / 1,432,503.49-1,976,816.01-812,422.47

Finding the Fourth Proportional to 1,432,503.49, 1,976,816.01 and 812,422.47

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Solution

The fourth proportional to 1,432,503.49, 1,976,816.01 and 812,422.47 is: 1,121,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,503.49 : 1,976,816.01 = 812,422.47 : x
  2. Step 2: Convert to fraction form
    1,432,503.49/1,976,816.01 = 812,422.47/x
  3. Step 3: Cross multiply
    1,432,503.49x = 1,976,816.01 × 812,422.47
  4. Step 4: Simplify right side
    1,432,503.49x = 1,606,009,745,579.74
  5. Step 5: Solve for x
    x = 1,606,009,745,579.74/1,432,503.49
  6. Step 6: Final answer
    x = 1,121,121.00

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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.