Home / 1,275,985.31-1,761,114.35-732,488.27

Finding the Fourth Proportional to 1,275,985.31, 1,761,114.35 and 732,488.27

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Solution

The fourth proportional to 1,275,985.31, 1,761,114.35 and 732,488.27 is: 1,010,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,985.31 : 1,761,114.35 = 732,488.27 : x
  2. Step 2: Convert to fraction form
    1,275,985.31/1,761,114.35 = 732,488.27/x
  3. Step 3: Cross multiply
    1,275,985.31x = 1,761,114.35 × 732,488.27
  4. Step 4: Simplify right side
    1,275,985.31x = 1,289,995,596,529.32
  5. Step 5: Solve for x
    x = 1,289,995,596,529.32/1,275,985.31
  6. Step 6: Final answer
    x = 1,010,979.98

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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.