Home / 992,529.60-1,488,794.40-905,438.40

Finding the Fourth Proportional to 992,529.60, 1,488,794.40 and 905,438.40

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Solution

The fourth proportional to 992,529.60, 1,488,794.40 and 905,438.40 is: 1,358,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,529.60 : 1,488,794.40 = 905,438.40 : x
  2. Step 2: Convert to fraction form
    992,529.60/1,488,794.40 = 905,438.40/x
  3. Step 3: Cross multiply
    992,529.60x = 1,488,794.40 × 905,438.40
  4. Step 4: Simplify right side
    992,529.60x = 1,348,011,619,464.96
  5. Step 5: Solve for x
    x = 1,348,011,619,464.96/992,529.60
  6. Step 6: Final answer
    x = 1,358,157.60

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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.