Home / 1,307,690.84-1,805,418.48-1,036,852.76

Finding the Fourth Proportional to 1,307,690.84, 1,805,418.48 and 1,036,852.76

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Solution

The fourth proportional to 1,307,690.84, 1,805,418.48 and 1,036,852.76 is: 1,431,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,690.84 : 1,805,418.48 = 1,036,852.76 : x
  2. Step 2: Convert to fraction form
    1,307,690.84/1,805,418.48 = 1,036,852.76/x
  3. Step 3: Cross multiply
    1,307,690.84x = 1,805,418.48 × 1,036,852.76
  4. Step 4: Simplify right side
    1,307,690.84x = 1,871,953,133,943.01
  5. Step 5: Solve for x
    x = 1,871,953,133,943.01/1,307,690.84
  6. Step 6: Final answer
    x = 1,431,495.18

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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.