Home / 1,558,812.90-2,339,968.95-1,205,393.70

Finding the Fourth Proportional to 1,558,812.90, 2,339,968.95 and 1,205,393.70

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Solution

The fourth proportional to 1,558,812.90, 2,339,968.95 and 1,205,393.70 is: 1,809,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,812.90 : 2,339,968.95 = 1,205,393.70 : x
  2. Step 2: Convert to fraction form
    1,558,812.90/2,339,968.95 = 1,205,393.70/x
  3. Step 3: Cross multiply
    1,558,812.90x = 2,339,968.95 × 1,205,393.70
  4. Step 4: Simplify right side
    1,558,812.90x = 2,820,583,830,525.62
  5. Step 5: Solve for x
    x = 2,820,583,830,525.62/1,558,812.90
  6. Step 6: Final answer
    x = 1,809,443.47

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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.