Home / 988,577.80-1,482,866.70-811,430.80

Finding the Fourth Proportional to 988,577.80, 1,482,866.70 and 811,430.80

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Solution

The fourth proportional to 988,577.80, 1,482,866.70 and 811,430.80 is: 1,217,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,577.80 : 1,482,866.70 = 811,430.80 : x
  2. Step 2: Convert to fraction form
    988,577.80/1,482,866.70 = 811,430.80/x
  3. Step 3: Cross multiply
    988,577.80x = 1,482,866.70 × 811,430.80
  4. Step 4: Simplify right side
    988,577.80x = 1,203,243,712,674.36
  5. Step 5: Solve for x
    x = 1,203,243,712,674.36/988,577.80
  6. Step 6: Final answer
    x = 1,217,146.20

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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.