Home / 1,780,715.51-2,671,053.54-432,879.40

Finding the Fourth Proportional to 1,780,715.51, 2,671,053.54 and 432,879.40

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Solution

The fourth proportional to 1,780,715.51, 2,671,053.54 and 432,879.40 is: 649,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,715.51 : 2,671,053.54 = 432,879.40 : x
  2. Step 2: Convert to fraction form
    1,780,715.51/2,671,053.54 = 432,879.40/x
  3. Step 3: Cross multiply
    1,780,715.51x = 2,671,053.54 × 432,879.40
  4. Step 4: Simplify right side
    1,780,715.51x = 1,156,244,053,763.08
  5. Step 5: Solve for x
    x = 1,156,244,053,763.08/1,780,715.51
  6. Step 6: Final answer
    x = 649,314.30

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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.