Home / 1,539,423.36-2,308,309.92-770,800.32

Finding the Fourth Proportional to 1,539,423.36, 2,308,309.92 and 770,800.32

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Solution

The fourth proportional to 1,539,423.36, 2,308,309.92 and 770,800.32 is: 1,155,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,423.36 : 2,308,309.92 = 770,800.32 : x
  2. Step 2: Convert to fraction form
    1,539,423.36/2,308,309.92 = 770,800.32/x
  3. Step 3: Cross multiply
    1,539,423.36x = 2,308,309.92 × 770,800.32
  4. Step 4: Simplify right side
    1,539,423.36x = 1,779,246,024,995.17
  5. Step 5: Solve for x
    x = 1,779,246,024,995.17/1,539,423.36
  6. Step 6: Final answer
    x = 1,155,787.34

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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.