Home / 1,992,953.70-2,989,430.55-730,617.30

Finding the Fourth Proportional to 1,992,953.70, 2,989,430.55 and 730,617.30

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Solution

The fourth proportional to 1,992,953.70, 2,989,430.55 and 730,617.30 is: 1,095,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,953.70 : 2,989,430.55 = 730,617.30 : x
  2. Step 2: Convert to fraction form
    1,992,953.70/2,989,430.55 = 730,617.30/x
  3. Step 3: Cross multiply
    1,992,953.70x = 2,989,430.55 × 730,617.30
  4. Step 4: Simplify right side
    1,992,953.70x = 2,184,129,676,978.52
  5. Step 5: Solve for x
    x = 2,184,129,676,978.52/1,992,953.70
  6. Step 6: Final answer
    x = 1,095,925.95

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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.