Home / 1,185,849.60-1,779,940.80-587,486.40

Finding the Fourth Proportional to 1,185,849.60, 1,779,940.80 and 587,486.40

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Solution

The fourth proportional to 1,185,849.60, 1,779,940.80 and 587,486.40 is: 881,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,849.60 : 1,779,940.80 = 587,486.40 : x
  2. Step 2: Convert to fraction form
    1,185,849.60/1,779,940.80 = 587,486.40/x
  3. Step 3: Cross multiply
    1,185,849.60x = 1,779,940.80 × 587,486.40
  4. Step 4: Simplify right side
    1,185,849.60x = 1,045,691,012,805.12
  5. Step 5: Solve for x
    x = 1,045,691,012,805.12/1,185,849.60
  6. Step 6: Final answer
    x = 881,807.45

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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.