Home / 947,036.70-1,418,999.85-788,406.30

Finding the Fourth Proportional to 947,036.70, 1,418,999.85 and 788,406.30

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Solution

The fourth proportional to 947,036.70, 1,418,999.85 and 788,406.30 is: 1,181,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,036.70 : 1,418,999.85 = 788,406.30 : x
  2. Step 2: Convert to fraction form
    947,036.70/1,418,999.85 = 788,406.30/x
  3. Step 3: Cross multiply
    947,036.70x = 1,418,999.85 × 788,406.30
  4. Step 4: Simplify right side
    947,036.70x = 1,118,748,421,439.06
  5. Step 5: Solve for x
    x = 1,118,748,421,439.06/947,036.70
  6. Step 6: Final answer
    x = 1,181,314.75

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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.