Home / 1,048,963.16-1,447,798.38-666,915.32

Finding the Fourth Proportional to 1,048,963.16, 1,447,798.38 and 666,915.32

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Solution

The fourth proportional to 1,048,963.16, 1,447,798.38 and 666,915.32 is: 920,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,963.16 : 1,447,798.38 = 666,915.32 : x
  2. Step 2: Convert to fraction form
    1,048,963.16/1,447,798.38 = 666,915.32/x
  3. Step 3: Cross multiply
    1,048,963.16x = 1,447,798.38 × 666,915.32
  4. Step 4: Simplify right side
    1,048,963.16x = 965,558,919,893.18
  5. Step 5: Solve for x
    x = 965,558,919,893.18/1,048,963.16
  6. Step 6: Final answer
    x = 920,488.88

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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.