Home / 1,762,340.32-2,643,513-432,644.32

Finding the Fourth Proportional to 1,762,340.32, 2,643,513 and 432,644.32

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Solution

The fourth proportional to 1,762,340.32, 2,643,513 and 432,644.32 is: 648,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,340.32 : 2,643,513 = 432,644.32 : x
  2. Step 2: Convert to fraction form
    1,762,340.32/2,643,513 = 432,644.32/x
  3. Step 3: Cross multiply
    1,762,340.32x = 2,643,513 × 432,644.32
  4. Step 4: Simplify right side
    1,762,340.32x = 1,143,700,884,296.16
  5. Step 5: Solve for x
    x = 1,143,700,884,296.16/1,762,340.32
  6. Step 6: Final answer
    x = 648,967.10

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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.