Home / 1,064,798.57-1,595,581.74-780,678.26

Finding the Fourth Proportional to 1,064,798.57, 1,595,581.74 and 780,678.26

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Solution

The fourth proportional to 1,064,798.57, 1,595,581.74 and 780,678.26 is: 1,169,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,798.57 : 1,595,581.74 = 780,678.26 : x
  2. Step 2: Convert to fraction form
    1,064,798.57/1,595,581.74 = 780,678.26/x
  3. Step 3: Cross multiply
    1,064,798.57x = 1,595,581.74 × 780,678.26
  4. Step 4: Simplify right side
    1,064,798.57x = 1,245,635,968,493.06
  5. Step 5: Solve for x
    x = 1,245,635,968,493.06/1,064,798.57
  6. Step 6: Final answer
    x = 1,169,832.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.