Home / 1,345,110.30-2,017,665.45-866,813.40

Finding the Fourth Proportional to 1,345,110.30, 2,017,665.45 and 866,813.40

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Solution

The fourth proportional to 1,345,110.30, 2,017,665.45 and 866,813.40 is: 1,300,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,110.30 : 2,017,665.45 = 866,813.40 : x
  2. Step 2: Convert to fraction form
    1,345,110.30/2,017,665.45 = 866,813.40/x
  3. Step 3: Cross multiply
    1,345,110.30x = 2,017,665.45 × 866,813.40
  4. Step 4: Simplify right side
    1,345,110.30x = 1,748,939,448,777.03
  5. Step 5: Solve for x
    x = 1,748,939,448,777.03/1,345,110.30
  6. Step 6: Final answer
    x = 1,300,220.10

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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.