Home / 1,110,140.29-1,532,030.75-680,337.41

Finding the Fourth Proportional to 1,110,140.29, 1,532,030.75 and 680,337.41

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Solution

The fourth proportional to 1,110,140.29, 1,532,030.75 and 680,337.41 is: 938,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,140.29 : 1,532,030.75 = 680,337.41 : x
  2. Step 2: Convert to fraction form
    1,110,140.29/1,532,030.75 = 680,337.41/x
  3. Step 3: Cross multiply
    1,110,140.29x = 1,532,030.75 × 680,337.41
  4. Step 4: Simplify right side
    1,110,140.29x = 1,042,297,832,495.36
  5. Step 5: Solve for x
    x = 1,042,297,832,495.36/1,110,140.29
  6. Step 6: Final answer
    x = 938,888.39

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1.5x scale

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.