Home / 926,999.60-1,390,499.40-740,375.60

Finding the Fourth Proportional to 926,999.60, 1,390,499.40 and 740,375.60

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Solution

The fourth proportional to 926,999.60, 1,390,499.40 and 740,375.60 is: 1,110,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,999.60 : 1,390,499.40 = 740,375.60 : x
  2. Step 2: Convert to fraction form
    926,999.60/1,390,499.40 = 740,375.60/x
  3. Step 3: Cross multiply
    926,999.60x = 1,390,499.40 × 740,375.60
  4. Step 4: Simplify right side
    926,999.60x = 1,029,491,827,574.64
  5. Step 5: Solve for x
    x = 1,029,491,827,574.64/926,999.60
  6. Step 6: Final answer
    x = 1,110,563.40

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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.