Home / 1,075,720-1,484,899.72-845,677.12

Finding the Fourth Proportional to 1,075,720, 1,484,899.72 and 845,677.12

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Solution

The fourth proportional to 1,075,720, 1,484,899.72 and 845,677.12 is: 1,167,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,720 : 1,484,899.72 = 845,677.12 : x
  2. Step 2: Convert to fraction form
    1,075,720/1,484,899.72 = 845,677.12/x
  3. Step 3: Cross multiply
    1,075,720x = 1,484,899.72 × 845,677.12
  4. Step 4: Simplify right side
    1,075,720x = 1,255,745,718,698.41
  5. Step 5: Solve for x
    x = 1,255,745,718,698.41/1,075,720
  6. Step 6: Final answer
    x = 1,167,353.70

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1.5x scale

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.