Home / 1,539,345.75-2,124,362.75-860,282.25

Finding the Fourth Proportional to 1,539,345.75, 2,124,362.75 and 860,282.25

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Solution

The fourth proportional to 1,539,345.75, 2,124,362.75 and 860,282.25 is: 1,187,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,345.75 : 2,124,362.75 = 860,282.25 : x
  2. Step 2: Convert to fraction form
    1,539,345.75/2,124,362.75 = 860,282.25/x
  3. Step 3: Cross multiply
    1,539,345.75x = 2,124,362.75 × 860,282.25
  4. Step 4: Simplify right side
    1,539,345.75x = 1,827,551,562,084.78
  5. Step 5: Solve for x
    x = 1,827,551,562,084.78/1,539,345.75
  6. Step 6: Final answer
    x = 1,187,226.17

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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.