Home / 1,245,756.20-1,867,467.90-975,734.60

Finding the Fourth Proportional to 1,245,756.20, 1,867,467.90 and 975,734.60

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Solution

The fourth proportional to 1,245,756.20, 1,867,467.90 and 975,734.60 is: 1,462,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,756.20 : 1,867,467.90 = 975,734.60 : x
  2. Step 2: Convert to fraction form
    1,245,756.20/1,867,467.90 = 975,734.60/x
  3. Step 3: Cross multiply
    1,245,756.20x = 1,867,467.90 × 975,734.60
  4. Step 4: Simplify right side
    1,245,756.20x = 1,822,153,044,419.34
  5. Step 5: Solve for x
    x = 1,822,153,044,419.34/1,245,756.20
  6. Step 6: Final answer
    x = 1,462,688.32

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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.