Home / 1,136,971.80-1,705,160.70-338,038.20

Finding the Fourth Proportional to 1,136,971.80, 1,705,160.70 and 338,038.20

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Solution

The fourth proportional to 1,136,971.80, 1,705,160.70 and 338,038.20 is: 506,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,971.80 : 1,705,160.70 = 338,038.20 : x
  2. Step 2: Convert to fraction form
    1,136,971.80/1,705,160.70 = 338,038.20/x
  3. Step 3: Cross multiply
    1,136,971.80x = 1,705,160.70 × 338,038.20
  4. Step 4: Simplify right side
    1,136,971.80x = 576,409,453,738.74
  5. Step 5: Solve for x
    x = 576,409,453,738.74/1,136,971.80
  6. Step 6: Final answer
    x = 506,969.00

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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.