Home / 1,860,055.70-2,790,218.86-779,483.60

Finding the Fourth Proportional to 1,860,055.70, 2,790,218.86 and 779,483.60

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Solution

The fourth proportional to 1,860,055.70, 2,790,218.86 and 779,483.60 is: 1,169,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,055.70 : 2,790,218.86 = 779,483.60 : x
  2. Step 2: Convert to fraction form
    1,860,055.70/2,790,218.86 = 779,483.60/x
  3. Step 3: Cross multiply
    1,860,055.70x = 2,790,218.86 × 779,483.60
  4. Step 4: Simplify right side
    1,860,055.70x = 2,174,929,825,880.89
  5. Step 5: Solve for x
    x = 2,174,929,825,880.89/1,860,055.70
  6. Step 6: Final answer
    x = 1,169,282.10

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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.