Home / 1,076,782.50-1,615,205.07-402,735.21

Finding the Fourth Proportional to 1,076,782.50, 1,615,205.07 and 402,735.21

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Solution

The fourth proportional to 1,076,782.50, 1,615,205.07 and 402,735.21 is: 604,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,782.50 : 1,615,205.07 = 402,735.21 : x
  2. Step 2: Convert to fraction form
    1,076,782.50/1,615,205.07 = 402,735.21/x
  3. Step 3: Cross multiply
    1,076,782.50x = 1,615,205.07 × 402,735.21
  4. Step 4: Simplify right side
    1,076,782.50x = 650,499,953,059.52
  5. Step 5: Solve for x
    x = 650,499,953,059.52/1,076,782.50
  6. Step 6: Final answer
    x = 604,114.53

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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.