Home / 1,041,269.40-1,560,737.70-442,128.60

Finding the Fourth Proportional to 1,041,269.40, 1,560,737.70 and 442,128.60

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Solution

The fourth proportional to 1,041,269.40, 1,560,737.70 and 442,128.60 is: 662,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,269.40 : 1,560,737.70 = 442,128.60 : x
  2. Step 2: Convert to fraction form
    1,041,269.40/1,560,737.70 = 442,128.60/x
  3. Step 3: Cross multiply
    1,041,269.40x = 1,560,737.70 × 442,128.60
  4. Step 4: Simplify right side
    1,041,269.40x = 690,046,774,268.22
  5. Step 5: Solve for x
    x = 690,046,774,268.22/1,041,269.40
  6. Step 6: Final answer
    x = 662,697.64

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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.