Home / 1,539,055.40-2,308,583.10-1,276,911.40

Finding the Fourth Proportional to 1,539,055.40, 2,308,583.10 and 1,276,911.40

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Solution

The fourth proportional to 1,539,055.40, 2,308,583.10 and 1,276,911.40 is: 1,915,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,055.40 : 2,308,583.10 = 1,276,911.40 : x
  2. Step 2: Convert to fraction form
    1,539,055.40/2,308,583.10 = 1,276,911.40/x
  3. Step 3: Cross multiply
    1,539,055.40x = 2,308,583.10 × 1,276,911.40
  4. Step 4: Simplify right side
    1,539,055.40x = 2,947,856,078,237.34
  5. Step 5: Solve for x
    x = 2,947,856,078,237.34/1,539,055.40
  6. Step 6: Final answer
    x = 1,915,367.10

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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.