Home / 1,087,788.70-1,628,457.45-808,543.90

Finding the Fourth Proportional to 1,087,788.70, 1,628,457.45 and 808,543.90

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Solution

The fourth proportional to 1,087,788.70, 1,628,457.45 and 808,543.90 is: 1,210,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,788.70 : 1,628,457.45 = 808,543.90 : x
  2. Step 2: Convert to fraction form
    1,087,788.70/1,628,457.45 = 808,543.90/x
  3. Step 3: Cross multiply
    1,087,788.70x = 1,628,457.45 × 808,543.90
  4. Step 4: Simplify right side
    1,087,788.70x = 1,316,679,337,607.06
  5. Step 5: Solve for x
    x = 1,316,679,337,607.06/1,087,788.70
  6. Step 6: Final answer
    x = 1,210,418.29

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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.