Home / 1,780,384.71-2,670,580.14-432,548.23

Finding the Fourth Proportional to 1,780,384.71, 2,670,580.14 and 432,548.23

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Solution

The fourth proportional to 1,780,384.71, 2,670,580.14 and 432,548.23 is: 648,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,384.71 : 2,670,580.14 = 432,548.23 : x
  2. Step 2: Convert to fraction form
    1,780,384.71/2,670,580.14 = 432,548.23/x
  3. Step 3: Cross multiply
    1,780,384.71x = 2,670,580.14 × 432,548.23
  4. Step 4: Simplify right side
    1,780,384.71x = 1,155,154,712,630.15
  5. Step 5: Solve for x
    x = 1,155,154,712,630.15/1,780,384.71
  6. Step 6: Final answer
    x = 648,823.09

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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.