Home / 1,539,131.60-2,308,697.40-830,543.60

Finding the Fourth Proportional to 1,539,131.60, 2,308,697.40 and 830,543.60

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Solution

The fourth proportional to 1,539,131.60, 2,308,697.40 and 830,543.60 is: 1,245,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,131.60 : 2,308,697.40 = 830,543.60 : x
  2. Step 2: Convert to fraction form
    1,539,131.60/2,308,697.40 = 830,543.60/x
  3. Step 3: Cross multiply
    1,539,131.60x = 2,308,697.40 × 830,543.60
  4. Step 4: Simplify right side
    1,539,131.60x = 1,917,473,849,906.64
  5. Step 5: Solve for x
    x = 1,917,473,849,906.64/1,539,131.60
  6. Step 6: Final answer
    x = 1,245,815.40

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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.