Home / 1,634,482.80-2,255,579.46-909,399.96

Finding the Fourth Proportional to 1,634,482.80, 2,255,579.46 and 909,399.96

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Solution

The fourth proportional to 1,634,482.80, 2,255,579.46 and 909,399.96 is: 1,254,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,482.80 : 2,255,579.46 = 909,399.96 : x
  2. Step 2: Convert to fraction form
    1,634,482.80/2,255,579.46 = 909,399.96/x
  3. Step 3: Cross multiply
    1,634,482.80x = 2,255,579.46 × 909,399.96
  4. Step 4: Simplify right side
    1,634,482.80x = 2,051,223,870,700.82
  5. Step 5: Solve for x
    x = 2,051,223,870,700.82/1,634,482.80
  6. Step 6: Final answer
    x = 1,254,968.16

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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.