Home / 1,415,703.60-2,123,458.20-456,145.20

Finding the Fourth Proportional to 1,415,703.60, 2,123,458.20 and 456,145.20

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Solution

The fourth proportional to 1,415,703.60, 2,123,458.20 and 456,145.20 is: 684,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,703.60 : 2,123,458.20 = 456,145.20 : x
  2. Step 2: Convert to fraction form
    1,415,703.60/2,123,458.20 = 456,145.20/x
  3. Step 3: Cross multiply
    1,415,703.60x = 2,123,458.20 × 456,145.20
  4. Step 4: Simplify right side
    1,415,703.60x = 968,605,265,330.64
  5. Step 5: Solve for x
    x = 968,605,265,330.64/1,415,703.60
  6. Step 6: Final answer
    x = 684,186.48

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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.