Home / 920,776.34-1,381,164.51-868,798.10

Finding the Fourth Proportional to 920,776.34, 1,381,164.51 and 868,798.10

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Solution

The fourth proportional to 920,776.34, 1,381,164.51 and 868,798.10 is: 1,303,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,776.34 : 1,381,164.51 = 868,798.10 : x
  2. Step 2: Convert to fraction form
    920,776.34/1,381,164.51 = 868,798.10/x
  3. Step 3: Cross multiply
    920,776.34x = 1,381,164.51 × 868,798.10
  4. Step 4: Simplify right side
    920,776.34x = 1,199,953,102,075.43
  5. Step 5: Solve for x
    x = 1,199,953,102,075.43/920,776.34
  6. Step 6: Final answer
    x = 1,303,197.15

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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.