Home / 1,148,665.88-1,723,204.02-390,467.51

Finding the Fourth Proportional to 1,148,665.88, 1,723,204.02 and 390,467.51

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Solution

The fourth proportional to 1,148,665.88, 1,723,204.02 and 390,467.51 is: 585,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,665.88 : 1,723,204.02 = 390,467.51 : x
  2. Step 2: Convert to fraction form
    1,148,665.88/1,723,204.02 = 390,467.51/x
  3. Step 3: Cross multiply
    1,148,665.88x = 1,723,204.02 × 390,467.51
  4. Step 4: Simplify right side
    1,148,665.88x = 672,855,182,221.64
  5. Step 5: Solve for x
    x = 672,855,182,221.64/1,148,665.88
  6. Step 6: Final answer
    x = 585,771.02

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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.