Home / 1,558,363.39-2,338,981.98-790,400.11

Finding the Fourth Proportional to 1,558,363.39, 2,338,981.98 and 790,400.11

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Solution

The fourth proportional to 1,558,363.39, 2,338,981.98 and 790,400.11 is: 1,186,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,363.39 : 2,338,981.98 = 790,400.11 : x
  2. Step 2: Convert to fraction form
    1,558,363.39/2,338,981.98 = 790,400.11/x
  3. Step 3: Cross multiply
    1,558,363.39x = 2,338,981.98 × 790,400.11
  4. Step 4: Simplify right side
    1,558,363.39x = 1,848,731,614,280.02
  5. Step 5: Solve for x
    x = 1,848,731,614,280.02/1,558,363.39
  6. Step 6: Final answer
    x = 1,186,328.96

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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.