Home / 1,208,009.80-1,813,181.10-735,617.80

Finding the Fourth Proportional to 1,208,009.80, 1,813,181.10 and 735,617.80

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Solution

The fourth proportional to 1,208,009.80, 1,813,181.10 and 735,617.80 is: 1,104,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,009.80 : 1,813,181.10 = 735,617.80 : x
  2. Step 2: Convert to fraction form
    1,208,009.80/1,813,181.10 = 735,617.80/x
  3. Step 3: Cross multiply
    1,208,009.80x = 1,813,181.10 × 735,617.80
  4. Step 4: Simplify right side
    1,208,009.80x = 1,333,808,291,783.58
  5. Step 5: Solve for x
    x = 1,333,808,291,783.58/1,208,009.80
  6. Step 6: Final answer
    x = 1,104,136.98

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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.