Home / 1,580,434.02-2,180,998.74-855,281.70

Finding the Fourth Proportional to 1,580,434.02, 2,180,998.74 and 855,281.70

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Solution

The fourth proportional to 1,580,434.02, 2,180,998.74 and 855,281.70 is: 1,180,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,434.02 : 2,180,998.74 = 855,281.70 : x
  2. Step 2: Convert to fraction form
    1,580,434.02/2,180,998.74 = 855,281.70/x
  3. Step 3: Cross multiply
    1,580,434.02x = 2,180,998.74 × 855,281.70
  4. Step 4: Simplify right side
    1,580,434.02x = 1,865,368,310,045.06
  5. Step 5: Solve for x
    x = 1,865,368,310,045.06/1,580,434.02
  6. Step 6: Final answer
    x = 1,180,288.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.