Home / 1,315,590.24-1,815,510.96-711,978.24

Finding the Fourth Proportional to 1,315,590.24, 1,815,510.96 and 711,978.24

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Solution

The fourth proportional to 1,315,590.24, 1,815,510.96 and 711,978.24 is: 982,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,590.24 : 1,815,510.96 = 711,978.24 : x
  2. Step 2: Convert to fraction form
    1,315,590.24/1,815,510.96 = 711,978.24/x
  3. Step 3: Cross multiply
    1,315,590.24x = 1,815,510.96 × 711,978.24
  4. Step 4: Simplify right side
    1,315,590.24x = 1,292,604,298,001.51
  5. Step 5: Solve for x
    x = 1,292,604,298,001.51/1,315,590.24
  6. Step 6: Final answer
    x = 982,528.04

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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.