Home / 1,539,503.87-2,124,478.64-860,503.55

Finding the Fourth Proportional to 1,539,503.87, 2,124,478.64 and 860,503.55

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Solution

The fourth proportional to 1,539,503.87, 2,124,478.64 and 860,503.55 is: 1,187,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,503.87 : 2,124,478.64 = 860,503.55 : x
  2. Step 2: Convert to fraction form
    1,539,503.87/2,124,478.64 = 860,503.55/x
  3. Step 3: Cross multiply
    1,539,503.87x = 2,124,478.64 × 860,503.55
  4. Step 4: Simplify right side
    1,539,503.87x = 1,828,121,403,148.04
  5. Step 5: Solve for x
    x = 1,828,121,403,148.04/1,539,503.87
  6. Step 6: Final answer
    x = 1,187,474.38

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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.