Home / 1,018,883.58-1,406,488.35-687,804.58

Finding the Fourth Proportional to 1,018,883.58, 1,406,488.35 and 687,804.58

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Solution

The fourth proportional to 1,018,883.58, 1,406,488.35 and 687,804.58 is: 949,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,883.58 : 1,406,488.35 = 687,804.58 : x
  2. Step 2: Convert to fraction form
    1,018,883.58/1,406,488.35 = 687,804.58/x
  3. Step 3: Cross multiply
    1,018,883.58x = 1,406,488.35 × 687,804.58
  4. Step 4: Simplify right side
    1,018,883.58x = 967,389,128,846.64
  5. Step 5: Solve for x
    x = 967,389,128,846.64/1,018,883.58
  6. Step 6: Final answer
    x = 949,459.93

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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.