Home / 1,273,431.84-1,909,490.45-374,756.90

Finding the Fourth Proportional to 1,273,431.84, 1,909,490.45 and 374,756.90

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Solution

The fourth proportional to 1,273,431.84, 1,909,490.45 and 374,756.90 is: 561,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,431.84 : 1,909,490.45 = 374,756.90 : x
  2. Step 2: Convert to fraction form
    1,273,431.84/1,909,490.45 = 374,756.90/x
  3. Step 3: Cross multiply
    1,273,431.84x = 1,909,490.45 × 374,756.90
  4. Step 4: Simplify right side
    1,273,431.84x = 715,594,710,200.37
  5. Step 5: Solve for x
    x = 715,594,710,200.37/1,273,431.84
  6. Step 6: Final answer
    x = 561,941.90

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1.5x scale

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.