Home / 1,293,671.90-1,938,362.58-786,699.32

Finding the Fourth Proportional to 1,293,671.90, 1,938,362.58 and 786,699.32

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Solution

The fourth proportional to 1,293,671.90, 1,938,362.58 and 786,699.32 is: 1,178,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,671.90 : 1,938,362.58 = 786,699.32 : x
  2. Step 2: Convert to fraction form
    1,293,671.90/1,938,362.58 = 786,699.32/x
  3. Step 3: Cross multiply
    1,293,671.90x = 1,938,362.58 × 786,699.32
  4. Step 4: Simplify right side
    1,293,671.90x = 1,524,908,523,599.45
  5. Step 5: Solve for x
    x = 1,524,908,523,599.45/1,293,671.90
  6. Step 6: Final answer
    x = 1,178,744.41

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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.