Home / 1,308,681.42-1,805,962.56-727,899

Finding the Fourth Proportional to 1,308,681.42, 1,805,962.56 and 727,899

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Solution

The fourth proportional to 1,308,681.42, 1,805,962.56 and 727,899 is: 1,004,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,681.42 : 1,805,962.56 = 727,899 : x
  2. Step 2: Convert to fraction form
    1,308,681.42/1,805,962.56 = 727,899/x
  3. Step 3: Cross multiply
    1,308,681.42x = 1,805,962.56 × 727,899
  4. Step 4: Simplify right side
    1,308,681.42x = 1,314,558,341,461.44
  5. Step 5: Solve for x
    x = 1,314,558,341,461.44/1,308,681.42
  6. Step 6: Final answer
    x = 1,004,490.72

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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.