Home / 1,579,128.32-2,368,445.04-514,163.20

Finding the Fourth Proportional to 1,579,128.32, 2,368,445.04 and 514,163.20

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Solution

The fourth proportional to 1,579,128.32, 2,368,445.04 and 514,163.20 is: 771,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,128.32 : 2,368,445.04 = 514,163.20 : x
  2. Step 2: Convert to fraction form
    1,579,128.32/2,368,445.04 = 514,163.20/x
  3. Step 3: Cross multiply
    1,579,128.32x = 2,368,445.04 × 514,163.20
  4. Step 4: Simplify right side
    1,579,128.32x = 1,217,767,280,790.53
  5. Step 5: Solve for x
    x = 1,217,767,280,790.53/1,579,128.32
  6. Step 6: Final answer
    x = 771,164.23

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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.