Home / 1,117,415.76-1,542,068.56-634,001.28

Finding the Fourth Proportional to 1,117,415.76, 1,542,068.56 and 634,001.28

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Solution

The fourth proportional to 1,117,415.76, 1,542,068.56 and 634,001.28 is: 874,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,415.76 : 1,542,068.56 = 634,001.28 : x
  2. Step 2: Convert to fraction form
    1,117,415.76/1,542,068.56 = 634,001.28/x
  3. Step 3: Cross multiply
    1,117,415.76x = 1,542,068.56 × 634,001.28
  4. Step 4: Simplify right side
    1,117,415.76x = 977,673,440,887.76
  5. Step 5: Solve for x
    x = 977,673,440,887.76/1,117,415.76
  6. Step 6: Final answer
    x = 874,941.52

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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.