Home / 1,208,595.70-1,809,941.10-907,445.80

Finding the Fourth Proportional to 1,208,595.70, 1,809,941.10 and 907,445.80

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Solution

The fourth proportional to 1,208,595.70, 1,809,941.10 and 907,445.80 is: 1,358,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,595.70 : 1,809,941.10 = 907,445.80 : x
  2. Step 2: Convert to fraction form
    1,208,595.70/1,809,941.10 = 907,445.80/x
  3. Step 3: Cross multiply
    1,208,595.70x = 1,809,941.10 × 907,445.80
  4. Step 4: Simplify right side
    1,208,595.70x = 1,642,423,449,442.38
  5. Step 5: Solve for x
    x = 1,642,423,449,442.38/1,208,595.70
  6. Step 6: Final answer
    x = 1,358,951.92

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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.