Home / 1,406,495.54-1,940,962.10-761,918.40

Finding the Fourth Proportional to 1,406,495.54, 1,940,962.10 and 761,918.40

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Solution

The fourth proportional to 1,406,495.54, 1,940,962.10 and 761,918.40 is: 1,051,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,495.54 : 1,940,962.10 = 761,918.40 : x
  2. Step 2: Convert to fraction form
    1,406,495.54/1,940,962.10 = 761,918.40/x
  3. Step 3: Cross multiply
    1,406,495.54x = 1,940,962.10 × 761,918.40
  4. Step 4: Simplify right side
    1,406,495.54x = 1,478,854,733,883.05
  5. Step 5: Solve for x
    x = 1,478,854,733,883.05/1,406,495.54
  6. Step 6: Final answer
    x = 1,051,446.44

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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.