Home / 1,345,117.30-2,017,675.95-812,364.10

Finding the Fourth Proportional to 1,345,117.30, 2,017,675.95 and 812,364.10

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Solution

The fourth proportional to 1,345,117.30, 2,017,675.95 and 812,364.10 is: 1,218,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,117.30 : 2,017,675.95 = 812,364.10 : x
  2. Step 2: Convert to fraction form
    1,345,117.30/2,017,675.95 = 812,364.10/x
  3. Step 3: Cross multiply
    1,345,117.30x = 2,017,675.95 × 812,364.10
  4. Step 4: Simplify right side
    1,345,117.30x = 1,639,087,507,213.40
  5. Step 5: Solve for x
    x = 1,639,087,507,213.40/1,345,117.30
  6. Step 6: Final answer
    x = 1,218,546.15

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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.