Home / 999,292.96-1,378,989.66-569,711.44

Finding the Fourth Proportional to 999,292.96, 1,378,989.66 and 569,711.44

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Solution

The fourth proportional to 999,292.96, 1,378,989.66 and 569,711.44 is: 786,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,292.96 : 1,378,989.66 = 569,711.44 : x
  2. Step 2: Convert to fraction form
    999,292.96/1,378,989.66 = 569,711.44/x
  3. Step 3: Cross multiply
    999,292.96x = 1,378,989.66 × 569,711.44
  4. Step 4: Simplify right side
    999,292.96x = 785,626,184,943.71
  5. Step 5: Solve for x
    x = 785,626,184,943.71/999,292.96
  6. Step 6: Final answer
    x = 786,182.05

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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.