Home / 1,905,746.40-2,855,995.20-1,264,226.40

Finding the Fourth Proportional to 1,905,746.40, 2,855,995.20 and 1,264,226.40

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Solution

The fourth proportional to 1,905,746.40, 2,855,995.20 and 1,264,226.40 is: 1,894,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,746.40 : 2,855,995.20 = 1,264,226.40 : x
  2. Step 2: Convert to fraction form
    1,905,746.40/2,855,995.20 = 1,264,226.40/x
  3. Step 3: Cross multiply
    1,905,746.40x = 2,855,995.20 × 1,264,226.40
  4. Step 4: Simplify right side
    1,905,746.40x = 3,610,624,530,113.28
  5. Step 5: Solve for x
    x = 3,610,624,530,113.28/1,905,746.40
  6. Step 6: Final answer
    x = 1,894,598.64

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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.