Home / 1,570,636.42-2,355,674.15-417,889.60

Finding the Fourth Proportional to 1,570,636.42, 2,355,674.15 and 417,889.60

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Solution

The fourth proportional to 1,570,636.42, 2,355,674.15 and 417,889.60 is: 626,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,636.42 : 2,355,674.15 = 417,889.60 : x
  2. Step 2: Convert to fraction form
    1,570,636.42/2,355,674.15 = 417,889.60/x
  3. Step 3: Cross multiply
    1,570,636.42x = 2,355,674.15 × 417,889.60
  4. Step 4: Simplify right side
    1,570,636.42x = 984,411,726,184.39
  5. Step 5: Solve for x
    x = 984,411,726,184.39/1,570,636.42
  6. Step 6: Final answer
    x = 626,759.78

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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.