Home / 1,441,547.70-1,989,273.33-788,161.74

Finding the Fourth Proportional to 1,441,547.70, 1,989,273.33 and 788,161.74

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Solution

The fourth proportional to 1,441,547.70, 1,989,273.33 and 788,161.74 is: 1,087,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,547.70 : 1,989,273.33 = 788,161.74 : x
  2. Step 2: Convert to fraction form
    1,441,547.70/1,989,273.33 = 788,161.74/x
  3. Step 3: Cross multiply
    1,441,547.70x = 1,989,273.33 × 788,161.74
  4. Step 4: Simplify right side
    1,441,547.70x = 1,567,869,129,108.39
  5. Step 5: Solve for x
    x = 1,567,869,129,108.39/1,441,547.70
  6. Step 6: Final answer
    x = 1,087,629.03

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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.