Home / 1,539,505.37-2,124,480.71-860,505.05

Finding the Fourth Proportional to 1,539,505.37, 2,124,480.71 and 860,505.05

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Solution

The fourth proportional to 1,539,505.37, 2,124,480.71 and 860,505.05 is: 1,187,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,505.37 : 2,124,480.71 = 860,505.05 : x
  2. Step 2: Convert to fraction form
    1,539,505.37/2,124,480.71 = 860,505.05/x
  3. Step 3: Cross multiply
    1,539,505.37x = 2,124,480.71 × 860,505.05
  4. Step 4: Simplify right side
    1,539,505.37x = 1,828,126,364,657.66
  5. Step 5: Solve for x
    x = 1,828,126,364,657.66/1,539,505.37
  6. Step 6: Final answer
    x = 1,187,476.45

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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.