Home / 1,545,287.40-2,316,087.90-646,727.40

Finding the Fourth Proportional to 1,545,287.40, 2,316,087.90 and 646,727.40

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Solution

The fourth proportional to 1,545,287.40, 2,316,087.90 and 646,727.40 is: 969,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,287.40 : 2,316,087.90 = 646,727.40 : x
  2. Step 2: Convert to fraction form
    1,545,287.40/2,316,087.90 = 646,727.40/x
  3. Step 3: Cross multiply
    1,545,287.40x = 2,316,087.90 × 646,727.40
  4. Step 4: Simplify right side
    1,545,287.40x = 1,497,877,505,738.46
  5. Step 5: Solve for x
    x = 1,497,877,505,738.46/1,545,287.40
  6. Step 6: Final answer
    x = 969,319.69

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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.