Home / 874,772.40-1,312,158.06-675,383.88

Finding the Fourth Proportional to 874,772.40, 1,312,158.06 and 675,383.88

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Solution

The fourth proportional to 874,772.40, 1,312,158.06 and 675,383.88 is: 1,013,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,772.40 : 1,312,158.06 = 675,383.88 : x
  2. Step 2: Convert to fraction form
    874,772.40/1,312,158.06 = 675,383.88/x
  3. Step 3: Cross multiply
    874,772.40x = 1,312,158.06 × 675,383.88
  4. Step 4: Simplify right side
    874,772.40x = 886,210,401,736.07
  5. Step 5: Solve for x
    x = 886,210,401,736.07/874,772.40
  6. Step 6: Final answer
    x = 1,013,075.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.