Home / 1,755,689.40-2,631,957.30-691,457.40

Finding the Fourth Proportional to 1,755,689.40, 2,631,957.30 and 691,457.40

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Solution

The fourth proportional to 1,755,689.40, 2,631,957.30 and 691,457.40 is: 1,036,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,689.40 : 2,631,957.30 = 691,457.40 : x
  2. Step 2: Convert to fraction form
    1,755,689.40/2,631,957.30 = 691,457.40/x
  3. Step 3: Cross multiply
    1,755,689.40x = 2,631,957.30 × 691,457.40
  4. Step 4: Simplify right side
    1,755,689.40x = 1,819,886,351,569.02
  5. Step 5: Solve for x
    x = 1,819,886,351,569.02/1,755,689.40
  6. Step 6: Final answer
    x = 1,036,565.10

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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.