Home / 1,213,802.40-1,822,671.90-816,205.80

Finding the Fourth Proportional to 1,213,802.40, 1,822,671.90 and 816,205.80

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Solution

The fourth proportional to 1,213,802.40, 1,822,671.90 and 816,205.80 is: 1,225,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,802.40 : 1,822,671.90 = 816,205.80 : x
  2. Step 2: Convert to fraction form
    1,213,802.40/1,822,671.90 = 816,205.80/x
  3. Step 3: Cross multiply
    1,213,802.40x = 1,822,671.90 × 816,205.80
  4. Step 4: Simplify right side
    1,213,802.40x = 1,487,675,376,277.02
  5. Step 5: Solve for x
    x = 1,487,675,376,277.02/1,213,802.40
  6. Step 6: Final answer
    x = 1,225,632.26

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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.