Home / 1,168,954.60-1,754,123.10-420,903.40

Finding the Fourth Proportional to 1,168,954.60, 1,754,123.10 and 420,903.40

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Solution

The fourth proportional to 1,168,954.60, 1,754,123.10 and 420,903.40 is: 631,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,954.60 : 1,754,123.10 = 420,903.40 : x
  2. Step 2: Convert to fraction form
    1,168,954.60/1,754,123.10 = 420,903.40/x
  3. Step 3: Cross multiply
    1,168,954.60x = 1,754,123.10 × 420,903.40
  4. Step 4: Simplify right side
    1,168,954.60x = 738,316,376,808.54
  5. Step 5: Solve for x
    x = 738,316,376,808.54/1,168,954.60
  6. Step 6: Final answer
    x = 631,603.98

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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.