Home / 1,307,960.64-1,962,439.20-455,127.12

Finding the Fourth Proportional to 1,307,960.64, 1,962,439.20 and 455,127.12

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Solution

The fourth proportional to 1,307,960.64, 1,962,439.20 and 455,127.12 is: 682,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,960.64 : 1,962,439.20 = 455,127.12 : x
  2. Step 2: Convert to fraction form
    1,307,960.64/1,962,439.20 = 455,127.12/x
  3. Step 3: Cross multiply
    1,307,960.64x = 1,962,439.20 × 455,127.12
  4. Step 4: Simplify right side
    1,307,960.64x = 893,159,301,271.10
  5. Step 5: Solve for x
    x = 893,159,301,271.10/1,307,960.64
  6. Step 6: Final answer
    x = 682,864.05

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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.