Home / 1,001,529.60-1,499,529.60-780,345.60

Finding the Fourth Proportional to 1,001,529.60, 1,499,529.60 and 780,345.60

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Solution

The fourth proportional to 1,001,529.60, 1,499,529.60 and 780,345.60 is: 1,168,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,529.60 : 1,499,529.60 = 780,345.60 : x
  2. Step 2: Convert to fraction form
    1,001,529.60/1,499,529.60 = 780,345.60/x
  3. Step 3: Cross multiply
    1,001,529.60x = 1,499,529.60 × 780,345.60
  4. Step 4: Simplify right side
    1,001,529.60x = 1,170,151,325,429.76
  5. Step 5: Solve for x
    x = 1,170,151,325,429.76/1,001,529.60
  6. Step 6: Final answer
    x = 1,168,364.20

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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.