Home / 1,346,830.72-2,020,955.46-778,610.86

Finding the Fourth Proportional to 1,346,830.72, 2,020,955.46 and 778,610.86

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Solution

The fourth proportional to 1,346,830.72, 2,020,955.46 and 778,610.86 is: 1,168,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,830.72 : 2,020,955.46 = 778,610.86 : x
  2. Step 2: Convert to fraction form
    1,346,830.72/2,020,955.46 = 778,610.86/x
  3. Step 3: Cross multiply
    1,346,830.72x = 2,020,955.46 × 778,610.86
  4. Step 4: Simplify right side
    1,346,830.72x = 1,573,537,868,732.30
  5. Step 5: Solve for x
    x = 1,573,537,868,732.30/1,346,830.72
  6. Step 6: Final answer
    x = 1,168,326.39

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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.