Home / 1,920,401.68-2,878,730.32-767,304.48

Finding the Fourth Proportional to 1,920,401.68, 2,878,730.32 and 767,304.48

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Solution

The fourth proportional to 1,920,401.68, 2,878,730.32 and 767,304.48 is: 1,150,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,401.68 : 2,878,730.32 = 767,304.48 : x
  2. Step 2: Convert to fraction form
    1,920,401.68/2,878,730.32 = 767,304.48/x
  3. Step 3: Cross multiply
    1,920,401.68x = 2,878,730.32 × 767,304.48
  4. Step 4: Simplify right side
    1,920,401.68x = 2,208,862,671,247.83
  5. Step 5: Solve for x
    x = 2,208,862,671,247.83/1,920,401.68
  6. Step 6: Final answer
    x = 1,150,208.67

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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.