Home / 1,319,217.42-1,820,564.73-775,345.35

Finding the Fourth Proportional to 1,319,217.42, 1,820,564.73 and 775,345.35

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Solution

The fourth proportional to 1,319,217.42, 1,820,564.73 and 775,345.35 is: 1,070,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,217.42 : 1,820,564.73 = 775,345.35 : x
  2. Step 2: Convert to fraction form
    1,319,217.42/1,820,564.73 = 775,345.35/x
  3. Step 3: Cross multiply
    1,319,217.42x = 1,820,564.73 × 775,345.35
  4. Step 4: Simplify right side
    1,319,217.42x = 1,411,566,397,779.51
  5. Step 5: Solve for x
    x = 1,411,566,397,779.51/1,319,217.42
  6. Step 6: Final answer
    x = 1,070,002.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.