Home / 1,459,681.44-2,014,341.36-815,112.96

Finding the Fourth Proportional to 1,459,681.44, 2,014,341.36 and 815,112.96

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Solution

The fourth proportional to 1,459,681.44, 2,014,341.36 and 815,112.96 is: 1,124,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,681.44 : 2,014,341.36 = 815,112.96 : x
  2. Step 2: Convert to fraction form
    1,459,681.44/2,014,341.36 = 815,112.96/x
  3. Step 3: Cross multiply
    1,459,681.44x = 2,014,341.36 × 815,112.96
  4. Step 4: Simplify right side
    1,459,681.44x = 1,641,915,748,400.03
  5. Step 5: Solve for x
    x = 1,641,915,748,400.03/1,459,681.44
  6. Step 6: Final answer
    x = 1,124,845.26

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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.