Home / 1,539,509.88-2,124,486.93-860,509.56

Finding the Fourth Proportional to 1,539,509.88, 2,124,486.93 and 860,509.56

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Solution

The fourth proportional to 1,539,509.88, 2,124,486.93 and 860,509.56 is: 1,187,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,509.88 : 2,124,486.93 = 860,509.56 : x
  2. Step 2: Convert to fraction form
    1,539,509.88/2,124,486.93 = 860,509.56/x
  3. Step 3: Cross multiply
    1,539,509.88x = 2,124,486.93 × 860,509.56
  4. Step 4: Simplify right side
    1,539,509.88x = 1,828,141,313,360.05
  5. Step 5: Solve for x
    x = 1,828,141,313,360.05/1,539,509.88
  6. Step 6: Final answer
    x = 1,187,482.68

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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.