Home / 1,420,032.20-2,130,048.30-860,160.20

Finding the Fourth Proportional to 1,420,032.20, 2,130,048.30 and 860,160.20

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Solution

The fourth proportional to 1,420,032.20, 2,130,048.30 and 860,160.20 is: 1,290,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,032.20 : 2,130,048.30 = 860,160.20 : x
  2. Step 2: Convert to fraction form
    1,420,032.20/2,130,048.30 = 860,160.20/x
  3. Step 3: Cross multiply
    1,420,032.20x = 2,130,048.30 × 860,160.20
  4. Step 4: Simplify right side
    1,420,032.20x = 1,832,182,771,737.66
  5. Step 5: Solve for x
    x = 1,832,182,771,737.66/1,420,032.20
  6. Step 6: Final answer
    x = 1,290,240.30

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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.