Home / 1,340,106.70-1,849,365.26-728,271.58

Finding the Fourth Proportional to 1,340,106.70, 1,849,365.26 and 728,271.58

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Solution

The fourth proportional to 1,340,106.70, 1,849,365.26 and 728,271.58 is: 1,005,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,106.70 : 1,849,365.26 = 728,271.58 : x
  2. Step 2: Convert to fraction form
    1,340,106.70/1,849,365.26 = 728,271.58/x
  3. Step 3: Cross multiply
    1,340,106.70x = 1,849,365.26 × 728,271.58
  4. Step 4: Simplify right side
    1,340,106.70x = 1,346,840,159,897.31
  5. Step 5: Solve for x
    x = 1,346,840,159,897.31/1,340,106.70
  6. Step 6: Final answer
    x = 1,005,024.57

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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.