Home / 1,097,760.60-1,646,640.90-387,860.40

Finding the Fourth Proportional to 1,097,760.60, 1,646,640.90 and 387,860.40

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Solution

The fourth proportional to 1,097,760.60, 1,646,640.90 and 387,860.40 is: 581,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,760.60 : 1,646,640.90 = 387,860.40 : x
  2. Step 2: Convert to fraction form
    1,097,760.60/1,646,640.90 = 387,860.40/x
  3. Step 3: Cross multiply
    1,097,760.60x = 1,646,640.90 × 387,860.40
  4. Step 4: Simplify right side
    1,097,760.60x = 638,666,798,130.36
  5. Step 5: Solve for x
    x = 638,666,798,130.36/1,097,760.60
  6. Step 6: Final answer
    x = 581,790.60

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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.