Home / 879,254.40-1,318,881.60-774,278.40

Finding the Fourth Proportional to 879,254.40, 1,318,881.60 and 774,278.40

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Solution

The fourth proportional to 879,254.40, 1,318,881.60 and 774,278.40 is: 1,161,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,254.40 : 1,318,881.60 = 774,278.40 : x
  2. Step 2: Convert to fraction form
    879,254.40/1,318,881.60 = 774,278.40/x
  3. Step 3: Cross multiply
    879,254.40x = 1,318,881.60 × 774,278.40
  4. Step 4: Simplify right side
    879,254.40x = 1,021,181,535,037.44
  5. Step 5: Solve for x
    x = 1,021,181,535,037.44/879,254.40
  6. Step 6: Final answer
    x = 1,161,417.60

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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.