Home / 1,087,848.20-1,628,546.70-808,603.40

Finding the Fourth Proportional to 1,087,848.20, 1,628,546.70 and 808,603.40

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Solution

The fourth proportional to 1,087,848.20, 1,628,546.70 and 808,603.40 is: 1,210,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,848.20 : 1,628,546.70 = 808,603.40 : x
  2. Step 2: Convert to fraction form
    1,087,848.20/1,628,546.70 = 808,603.40/x
  3. Step 3: Cross multiply
    1,087,848.20x = 1,628,546.70 × 808,603.40
  4. Step 4: Simplify right side
    1,087,848.20x = 1,316,848,398,678.78
  5. Step 5: Solve for x
    x = 1,316,848,398,678.78/1,087,848.20
  6. Step 6: Final answer
    x = 1,210,507.49

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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.