Home / 1,178,095-1,767,142.50-291,631

Finding the Fourth Proportional to 1,178,095, 1,767,142.50 and 291,631

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Solution

The fourth proportional to 1,178,095, 1,767,142.50 and 291,631 is: 437,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,095 : 1,767,142.50 = 291,631 : x
  2. Step 2: Convert to fraction form
    1,178,095/1,767,142.50 = 291,631/x
  3. Step 3: Cross multiply
    1,178,095x = 1,767,142.50 × 291,631
  4. Step 4: Simplify right side
    1,178,095x = 515,353,534,417.50
  5. Step 5: Solve for x
    x = 515,353,534,417.50/1,178,095
  6. Step 6: Final answer
    x = 437,446.50

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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.