Home / 1,046,870.55-1,563,214.32-831,218.67

Finding the Fourth Proportional to 1,046,870.55, 1,563,214.32 and 831,218.67

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Solution

The fourth proportional to 1,046,870.55, 1,563,214.32 and 831,218.67 is: 1,241,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,870.55 : 1,563,214.32 = 831,218.67 : x
  2. Step 2: Convert to fraction form
    1,046,870.55/1,563,214.32 = 831,218.67/x
  3. Step 3: Cross multiply
    1,046,870.55x = 1,563,214.32 × 831,218.67
  4. Step 4: Simplify right side
    1,046,870.55x = 1,299,372,927,995.35
  5. Step 5: Solve for x
    x = 1,299,372,927,995.35/1,046,870.55
  6. Step 6: Final answer
    x = 1,241,197.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.