Home / 1,307,381.76-1,803,990.42-734,312.16

Finding the Fourth Proportional to 1,307,381.76, 1,803,990.42 and 734,312.16

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Solution

The fourth proportional to 1,307,381.76, 1,803,990.42 and 734,312.16 is: 1,013,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,381.76 : 1,803,990.42 = 734,312.16 : x
  2. Step 2: Convert to fraction form
    1,307,381.76/1,803,990.42 = 734,312.16/x
  3. Step 3: Cross multiply
    1,307,381.76x = 1,803,990.42 × 734,312.16
  4. Step 4: Simplify right side
    1,307,381.76x = 1,324,692,101,929.51
  5. Step 5: Solve for x
    x = 1,324,692,101,929.51/1,307,381.76
  6. Step 6: Final answer
    x = 1,013,240.46

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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.