Home / 983,123.20-1,473,129.60-824,492.80

Finding the Fourth Proportional to 983,123.20, 1,473,129.60 and 824,492.80

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Solution

The fourth proportional to 983,123.20, 1,473,129.60 and 824,492.80 is: 1,235,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,123.20 : 1,473,129.60 = 824,492.80 : x
  2. Step 2: Convert to fraction form
    983,123.20/1,473,129.60 = 824,492.80/x
  3. Step 3: Cross multiply
    983,123.20x = 1,473,129.60 × 824,492.80
  4. Step 4: Simplify right side
    983,123.20x = 1,214,584,748,666.88
  5. Step 5: Solve for x
    x = 1,214,584,748,666.88/983,123.20
  6. Step 6: Final answer
    x = 1,235,434.94

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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.