Home / 1,400,658.30-1,932,883.02-788,808.60

Finding the Fourth Proportional to 1,400,658.30, 1,932,883.02 and 788,808.60

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Solution

The fourth proportional to 1,400,658.30, 1,932,883.02 and 788,808.60 is: 1,088,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,658.30 : 1,932,883.02 = 788,808.60 : x
  2. Step 2: Convert to fraction form
    1,400,658.30/1,932,883.02 = 788,808.60/x
  3. Step 3: Cross multiply
    1,400,658.30x = 1,932,883.02 × 788,808.60
  4. Step 4: Simplify right side
    1,400,658.30x = 1,524,674,748,969.97
  5. Step 5: Solve for x
    x = 1,524,674,748,969.97/1,400,658.30
  6. Step 6: Final answer
    x = 1,088,541.54

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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.