Home / 1,065,320.94-1,470,673.14-657,647.49

Finding the Fourth Proportional to 1,065,320.94, 1,470,673.14 and 657,647.49

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Solution

The fourth proportional to 1,065,320.94, 1,470,673.14 and 657,647.49 is: 907,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,320.94 : 1,470,673.14 = 657,647.49 : x
  2. Step 2: Convert to fraction form
    1,065,320.94/1,470,673.14 = 657,647.49/x
  3. Step 3: Cross multiply
    1,065,320.94x = 1,470,673.14 × 657,647.49
  4. Step 4: Simplify right side
    1,065,320.94x = 967,184,499,131.42
  5. Step 5: Solve for x
    x = 967,184,499,131.42/1,065,320.94
  6. Step 6: Final answer
    x = 907,880.87

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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.