Home / 1,095,470.40-1,643,493.60-347,515.20

Finding the Fourth Proportional to 1,095,470.40, 1,643,493.60 and 347,515.20

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Solution

The fourth proportional to 1,095,470.40, 1,643,493.60 and 347,515.20 is: 521,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,470.40 : 1,643,493.60 = 347,515.20 : x
  2. Step 2: Convert to fraction form
    1,095,470.40/1,643,493.60 = 347,515.20/x
  3. Step 3: Cross multiply
    1,095,470.40x = 1,643,493.60 × 347,515.20
  4. Step 4: Simplify right side
    1,095,470.40x = 571,139,007,102.72
  5. Step 5: Solve for x
    x = 571,139,007,102.72/1,095,470.40
  6. Step 6: Final answer
    x = 521,364.16

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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.