Home / 1,352,416.44-1,866,357.63-740,559.45

Finding the Fourth Proportional to 1,352,416.44, 1,866,357.63 and 740,559.45

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Solution

The fourth proportional to 1,352,416.44, 1,866,357.63 and 740,559.45 is: 1,021,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,416.44 : 1,866,357.63 = 740,559.45 : x
  2. Step 2: Convert to fraction form
    1,352,416.44/1,866,357.63 = 740,559.45/x
  3. Step 3: Cross multiply
    1,352,416.44x = 1,866,357.63 × 740,559.45
  4. Step 4: Simplify right side
    1,352,416.44x = 1,382,148,779,976.10
  5. Step 5: Solve for x
    x = 1,382,148,779,976.10/1,352,416.44
  6. Step 6: Final answer
    x = 1,021,984.60

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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.