Home / 1,121,854.60-1,683,365.10-490,832.20

Finding the Fourth Proportional to 1,121,854.60, 1,683,365.10 and 490,832.20

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Solution

The fourth proportional to 1,121,854.60, 1,683,365.10 and 490,832.20 is: 736,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,854.60 : 1,683,365.10 = 490,832.20 : x
  2. Step 2: Convert to fraction form
    1,121,854.60/1,683,365.10 = 490,832.20/x
  3. Step 3: Cross multiply
    1,121,854.60x = 1,683,365.10 × 490,832.20
  4. Step 4: Simplify right side
    1,121,854.60x = 826,249,795,436.22
  5. Step 5: Solve for x
    x = 826,249,795,436.22/1,121,854.60
  6. Step 6: Final answer
    x = 736,503.46

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1.5x scale

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.