Home / 1,539,237.76-2,124,151.02-860,174.26

Finding the Fourth Proportional to 1,539,237.76, 2,124,151.02 and 860,174.26

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Solution

The fourth proportional to 1,539,237.76, 2,124,151.02 and 860,174.26 is: 1,187,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,237.76 : 2,124,151.02 = 860,174.26 : x
  2. Step 2: Convert to fraction form
    1,539,237.76/2,124,151.02 = 860,174.26/x
  3. Step 3: Cross multiply
    1,539,237.76x = 2,124,151.02 × 860,174.26
  4. Step 4: Simplify right side
    1,539,237.76x = 1,827,140,031,756.75
  5. Step 5: Solve for x
    x = 1,827,140,031,756.75/1,539,237.76
  6. Step 6: Final answer
    x = 1,187,042.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.