Home / 1,078,750.83-1,489,235.88-788,036.00

Finding the Fourth Proportional to 1,078,750.83, 1,489,235.88 and 788,036.00

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Solution

The fourth proportional to 1,078,750.83, 1,489,235.88 and 788,036.00 is: 1,087,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,750.83 : 1,489,235.88 = 788,036.00 : x
  2. Step 2: Convert to fraction form
    1,078,750.83/1,489,235.88 = 788,036.00/x
  3. Step 3: Cross multiply
    1,078,750.83x = 1,489,235.88 × 788,036.00
  4. Step 4: Simplify right side
    1,078,750.83x = 1,173,571,478,485.50
  5. Step 5: Solve for x
    x = 1,173,571,478,485.50/1,078,750.83
  6. Step 6: Final answer
    x = 1,087,898.56

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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.