Home / 1,095,809.72-1,643,715.18-719,113.55

Finding the Fourth Proportional to 1,095,809.72, 1,643,715.18 and 719,113.55

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Solution

The fourth proportional to 1,095,809.72, 1,643,715.18 and 719,113.55 is: 1,078,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,809.72 : 1,643,715.18 = 719,113.55 : x
  2. Step 2: Convert to fraction form
    1,095,809.72/1,643,715.18 = 719,113.55/x
  3. Step 3: Cross multiply
    1,095,809.72x = 1,643,715.18 × 719,113.55
  4. Step 4: Simplify right side
    1,095,809.72x = 1,182,017,850,060.11
  5. Step 5: Solve for x
    x = 1,182,017,850,060.11/1,095,809.72
  6. Step 6: Final answer
    x = 1,078,670.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.