Home / 1,617,055.20-2,423,638.80-669,938.40

Finding the Fourth Proportional to 1,617,055.20, 2,423,638.80 and 669,938.40

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Solution

The fourth proportional to 1,617,055.20, 2,423,638.80 and 669,938.40 is: 1,004,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,055.20 : 2,423,638.80 = 669,938.40 : x
  2. Step 2: Convert to fraction form
    1,617,055.20/2,423,638.80 = 669,938.40/x
  3. Step 3: Cross multiply
    1,617,055.20x = 2,423,638.80 × 669,938.40
  4. Step 4: Simplify right side
    1,617,055.20x = 1,623,688,699,849.92
  5. Step 5: Solve for x
    x = 1,623,688,699,849.92/1,617,055.20
  6. Step 6: Final answer
    x = 1,004,102.21

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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.