Home / 991,885.80-1,484,718.30-711,949.80

Finding the Fourth Proportional to 991,885.80, 1,484,718.30 and 711,949.80

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Solution

The fourth proportional to 991,885.80, 1,484,718.30 and 711,949.80 is: 1,065,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,885.80 : 1,484,718.30 = 711,949.80 : x
  2. Step 2: Convert to fraction form
    991,885.80/1,484,718.30 = 711,949.80/x
  3. Step 3: Cross multiply
    991,885.80x = 1,484,718.30 × 711,949.80
  4. Step 4: Simplify right side
    991,885.80x = 1,057,044,896,741.34
  5. Step 5: Solve for x
    x = 1,057,044,896,741.34/991,885.80
  6. Step 6: Final answer
    x = 1,065,692.14

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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.