Home / 1,159,486.90-1,739,230.35-411,435.70

Finding the Fourth Proportional to 1,159,486.90, 1,739,230.35 and 411,435.70

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Solution

The fourth proportional to 1,159,486.90, 1,739,230.35 and 411,435.70 is: 617,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,486.90 : 1,739,230.35 = 411,435.70 : x
  2. Step 2: Convert to fraction form
    1,159,486.90/1,739,230.35 = 411,435.70/x
  3. Step 3: Cross multiply
    1,159,486.90x = 1,739,230.35 × 411,435.70
  4. Step 4: Simplify right side
    1,159,486.90x = 715,581,456,513.50
  5. Step 5: Solve for x
    x = 715,581,456,513.50/1,159,486.90
  6. Step 6: Final answer
    x = 617,153.55

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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.