Home / 1,406,029.02-1,940,309.70-761,434.26

Finding the Fourth Proportional to 1,406,029.02, 1,940,309.70 and 761,434.26

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Solution

The fourth proportional to 1,406,029.02, 1,940,309.70 and 761,434.26 is: 1,050,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,029.02 : 1,940,309.70 = 761,434.26 : x
  2. Step 2: Convert to fraction form
    1,406,029.02/1,940,309.70 = 761,434.26/x
  3. Step 3: Cross multiply
    1,406,029.02x = 1,940,309.70 × 761,434.26
  4. Step 4: Simplify right side
    1,406,029.02x = 1,477,418,280,590.32
  5. Step 5: Solve for x
    x = 1,477,418,280,590.32/1,406,029.02
  6. Step 6: Final answer
    x = 1,050,773.68

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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.