Home / 1,005,715.52-1,507,576.80-472,281.68

Finding the Fourth Proportional to 1,005,715.52, 1,507,576.80 and 472,281.68

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Solution

The fourth proportional to 1,005,715.52, 1,507,576.80 and 472,281.68 is: 707,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,715.52 : 1,507,576.80 = 472,281.68 : x
  2. Step 2: Convert to fraction form
    1,005,715.52/1,507,576.80 = 472,281.68/x
  3. Step 3: Cross multiply
    1,005,715.52x = 1,507,576.80 × 472,281.68
  4. Step 4: Simplify right side
    1,005,715.52x = 712,000,903,833.02
  5. Step 5: Solve for x
    x = 712,000,903,833.02/1,005,715.52
  6. Step 6: Final answer
    x = 707,954.58

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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.