Home / 1,815,316.74-2,505,116.40-999,503.40

Finding the Fourth Proportional to 1,815,316.74, 2,505,116.40 and 999,503.40

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Solution

The fourth proportional to 1,815,316.74, 2,505,116.40 and 999,503.40 is: 1,379,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,316.74 : 2,505,116.40 = 999,503.40 : x
  2. Step 2: Convert to fraction form
    1,815,316.74/2,505,116.40 = 999,503.40/x
  3. Step 3: Cross multiply
    1,815,316.74x = 2,505,116.40 × 999,503.40
  4. Step 4: Simplify right side
    1,815,316.74x = 2,503,872,359,195.76
  5. Step 5: Solve for x
    x = 2,503,872,359,195.76/1,815,316.74
  6. Step 6: Final answer
    x = 1,379,303.29

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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.