Home / 939,429.95-1,409,399.17-669,898.63

Finding the Fourth Proportional to 939,429.95, 1,409,399.17 and 669,898.63

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Solution

The fourth proportional to 939,429.95, 1,409,399.17 and 669,898.63 is: 1,005,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,429.95 : 1,409,399.17 = 669,898.63 : x
  2. Step 2: Convert to fraction form
    939,429.95/1,409,399.17 = 669,898.63/x
  3. Step 3: Cross multiply
    939,429.95x = 1,409,399.17 × 669,898.63
  4. Step 4: Simplify right side
    939,429.95x = 944,154,569,756.64
  5. Step 5: Solve for x
    x = 944,154,569,756.64/939,429.95
  6. Step 6: Final answer
    x = 1,005,029.24

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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.