Home / 1,112,905.98-1,535,670.63-660,109.50

Finding the Fourth Proportional to 1,112,905.98, 1,535,670.63 and 660,109.50

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Solution

The fourth proportional to 1,112,905.98, 1,535,670.63 and 660,109.50 is: 910,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,905.98 : 1,535,670.63 = 660,109.50 : x
  2. Step 2: Convert to fraction form
    1,112,905.98/1,535,670.63 = 660,109.50/x
  3. Step 3: Cross multiply
    1,112,905.98x = 1,535,670.63 × 660,109.50
  4. Step 4: Simplify right side
    1,112,905.98x = 1,013,710,771,733.99
  5. Step 5: Solve for x
    x = 1,013,710,771,733.99/1,112,905.98
  6. Step 6: Final answer
    x = 910,868.29

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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.