Home / 1,406,478.57-1,940,945.58-761,897.22

Finding the Fourth Proportional to 1,406,478.57, 1,940,945.58 and 761,897.22

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Solution

The fourth proportional to 1,406,478.57, 1,940,945.58 and 761,897.22 is: 1,051,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,478.57 : 1,940,945.58 = 761,897.22 : x
  2. Step 2: Convert to fraction form
    1,406,478.57/1,940,945.58 = 761,897.22/x
  3. Step 3: Cross multiply
    1,406,478.57x = 1,940,945.58 × 761,897.22
  4. Step 4: Simplify right side
    1,406,478.57x = 1,478,801,041,573.29
  5. Step 5: Solve for x
    x = 1,478,801,041,573.29/1,406,478.57
  6. Step 6: Final answer
    x = 1,051,420.96

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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.