Home / 1,429,916.52-2,145,138.46-470,426.12

Finding the Fourth Proportional to 1,429,916.52, 2,145,138.46 and 470,426.12

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Solution

The fourth proportional to 1,429,916.52, 2,145,138.46 and 470,426.12 is: 705,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,916.52 : 2,145,138.46 = 470,426.12 : x
  2. Step 2: Convert to fraction form
    1,429,916.52/2,145,138.46 = 470,426.12/x
  3. Step 3: Cross multiply
    1,429,916.52x = 2,145,138.46 × 470,426.12
  4. Step 4: Simplify right side
    1,429,916.52x = 1,009,129,162,600.58
  5. Step 5: Solve for x
    x = 1,009,129,162,600.58/1,429,916.52
  6. Step 6: Final answer
    x = 705,725.93

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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.