Home / 1,384,434.54-2,076,642.50-745,039.13

Finding the Fourth Proportional to 1,384,434.54, 2,076,642.50 and 745,039.13

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Solution

The fourth proportional to 1,384,434.54, 2,076,642.50 and 745,039.13 is: 1,117,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,434.54 : 2,076,642.50 = 745,039.13 : x
  2. Step 2: Convert to fraction form
    1,384,434.54/2,076,642.50 = 745,039.13/x
  3. Step 3: Cross multiply
    1,384,434.54x = 2,076,642.50 × 745,039.13
  4. Step 4: Simplify right side
    1,384,434.54x = 1,547,179,907,412.62
  5. Step 5: Solve for x
    x = 1,547,179,907,412.62/1,384,434.54
  6. Step 6: Final answer
    x = 1,117,553.67

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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.