Home / 1,029,288.64-1,544,373.60-430,389.76

Finding the Fourth Proportional to 1,029,288.64, 1,544,373.60 and 430,389.76

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Solution

The fourth proportional to 1,029,288.64, 1,544,373.60 and 430,389.76 is: 645,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,288.64 : 1,544,373.60 = 430,389.76 : x
  2. Step 2: Convert to fraction form
    1,029,288.64/1,544,373.60 = 430,389.76/x
  3. Step 3: Cross multiply
    1,029,288.64x = 1,544,373.60 × 430,389.76
  4. Step 4: Simplify right side
    1,029,288.64x = 664,682,583,054.34
  5. Step 5: Solve for x
    x = 664,682,583,054.34/1,029,288.64
  6. Step 6: Final answer
    x = 645,768.89

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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.