Home / 1,000,445.04-1,380,485.46-570,699.48

Finding the Fourth Proportional to 1,000,445.04, 1,380,485.46 and 570,699.48

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Solution

The fourth proportional to 1,000,445.04, 1,380,485.46 and 570,699.48 is: 787,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,445.04 : 1,380,485.46 = 570,699.48 : x
  2. Step 2: Convert to fraction form
    1,000,445.04/1,380,485.46 = 570,699.48/x
  3. Step 3: Cross multiply
    1,000,445.04x = 1,380,485.46 × 570,699.48
  4. Step 4: Simplify right side
    1,000,445.04x = 787,842,334,169.56
  5. Step 5: Solve for x
    x = 787,842,334,169.56/1,000,445.04
  6. Step 6: Final answer
    x = 787,491.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.