Home / 1,326,085.72-1,989,113.86-793,755.32

Finding the Fourth Proportional to 1,326,085.72, 1,989,113.86 and 793,755.32

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Solution

The fourth proportional to 1,326,085.72, 1,989,113.86 and 793,755.32 is: 1,190,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,085.72 : 1,989,113.86 = 793,755.32 : x
  2. Step 2: Convert to fraction form
    1,326,085.72/1,989,113.86 = 793,755.32/x
  3. Step 3: Cross multiply
    1,326,085.72x = 1,989,113.86 × 793,755.32
  4. Step 4: Simplify right side
    1,326,085.72x = 1,578,869,708,460.74
  5. Step 5: Solve for x
    x = 1,578,869,708,460.74/1,326,085.72
  6. Step 6: Final answer
    x = 1,190,624.17

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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.