Home / 1,140,624.16-1,574,037.84-631,296.16

Finding the Fourth Proportional to 1,140,624.16, 1,574,037.84 and 631,296.16

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Solution

The fourth proportional to 1,140,624.16, 1,574,037.84 and 631,296.16 is: 871,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,624.16 : 1,574,037.84 = 631,296.16 : x
  2. Step 2: Convert to fraction form
    1,140,624.16/1,574,037.84 = 631,296.16/x
  3. Step 3: Cross multiply
    1,140,624.16x = 1,574,037.84 × 631,296.16
  4. Step 4: Simplify right side
    1,140,624.16x = 993,684,044,086.70
  5. Step 5: Solve for x
    x = 993,684,044,086.70/1,140,624.16
  6. Step 6: Final answer
    x = 871,175.69

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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.