Home / 1,570,625.21-2,355,657.35-417,878.39

Finding the Fourth Proportional to 1,570,625.21, 2,355,657.35 and 417,878.39

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Solution

The fourth proportional to 1,570,625.21, 2,355,657.35 and 417,878.39 is: 626,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,625.21 : 2,355,657.35 = 417,878.39 : x
  2. Step 2: Convert to fraction form
    1,570,625.21/2,355,657.35 = 417,878.39/x
  3. Step 3: Cross multiply
    1,570,625.21x = 2,355,657.35 × 417,878.39
  4. Step 4: Simplify right side
    1,570,625.21x = 984,378,300,809.67
  5. Step 5: Solve for x
    x = 984,378,300,809.67/1,570,625.21
  6. Step 6: Final answer
    x = 626,742.96

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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.