Home / 1,048,606.43-1,446,621.54-666,428.18

Finding the Fourth Proportional to 1,048,606.43, 1,446,621.54 and 666,428.18

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Solution

The fourth proportional to 1,048,606.43, 1,446,621.54 and 666,428.18 is: 919,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,606.43 : 1,446,621.54 = 666,428.18 : x
  2. Step 2: Convert to fraction form
    1,048,606.43/1,446,621.54 = 666,428.18/x
  3. Step 3: Cross multiply
    1,048,606.43x = 1,446,621.54 × 666,428.18
  4. Step 4: Simplify right side
    1,048,606.43x = 964,069,360,051.00
  5. Step 5: Solve for x
    x = 964,069,360,051.00/1,048,606.43
  6. Step 6: Final answer
    x = 919,381.51

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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.