Home / 1,043,670.90-1,562,007.15-917,699.70

Finding the Fourth Proportional to 1,043,670.90, 1,562,007.15 and 917,699.70

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Solution

The fourth proportional to 1,043,670.90, 1,562,007.15 and 917,699.70 is: 1,373,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,670.90 : 1,562,007.15 = 917,699.70 : x
  2. Step 2: Convert to fraction form
    1,043,670.90/1,562,007.15 = 917,699.70/x
  3. Step 3: Cross multiply
    1,043,670.90x = 1,562,007.15 × 917,699.70
  4. Step 4: Simplify right side
    1,043,670.90x = 1,433,453,492,952.85
  5. Step 5: Solve for x
    x = 1,433,453,492,952.85/1,043,670.90
  6. Step 6: Final answer
    x = 1,373,472.70

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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.