Home / 1,008,045.96-1,511,830.08-288,365.48

Finding the Fourth Proportional to 1,008,045.96, 1,511,830.08 and 288,365.48

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Solution

The fourth proportional to 1,008,045.96, 1,511,830.08 and 288,365.48 is: 432,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,045.96 : 1,511,830.08 = 288,365.48 : x
  2. Step 2: Convert to fraction form
    1,008,045.96/1,511,830.08 = 288,365.48/x
  3. Step 3: Cross multiply
    1,008,045.96x = 1,511,830.08 × 288,365.48
  4. Step 4: Simplify right side
    1,008,045.96x = 435,959,606,697.64
  5. Step 5: Solve for x
    x = 435,959,606,697.64/1,008,045.96
  6. Step 6: Final answer
    x = 432,479.89

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1.5x scale

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.