Home / 1,556,816.58-2,148,405.93-841,424.58

Finding the Fourth Proportional to 1,556,816.58, 2,148,405.93 and 841,424.58

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Solution

The fourth proportional to 1,556,816.58, 2,148,405.93 and 841,424.58 is: 1,161,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,816.58 : 2,148,405.93 = 841,424.58 : x
  2. Step 2: Convert to fraction form
    1,556,816.58/2,148,405.93 = 841,424.58/x
  3. Step 3: Cross multiply
    1,556,816.58x = 2,148,405.93 × 841,424.58
  4. Step 4: Simplify right side
    1,556,816.58x = 1,807,721,557,319.76
  5. Step 5: Solve for x
    x = 1,807,721,557,319.76/1,556,816.58
  6. Step 6: Final answer
    x = 1,161,165.41

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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.