Home / 1,159,943.73-1,740,068.40-430,367.67

Finding the Fourth Proportional to 1,159,943.73, 1,740,068.40 and 430,367.67

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Solution

The fourth proportional to 1,159,943.73, 1,740,068.40 and 430,367.67 is: 645,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,943.73 : 1,740,068.40 = 430,367.67 : x
  2. Step 2: Convert to fraction form
    1,159,943.73/1,740,068.40 = 430,367.67/x
  3. Step 3: Cross multiply
    1,159,943.73x = 1,740,068.40 × 430,367.67
  4. Step 4: Simplify right side
    1,159,943.73x = 748,869,182,948.63
  5. Step 5: Solve for x
    x = 748,869,182,948.63/1,159,943.73
  6. Step 6: Final answer
    x = 645,608.20

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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.