Home / 1,528,461.90-2,293,315.61-770,521.81

Finding the Fourth Proportional to 1,528,461.90, 2,293,315.61 and 770,521.81

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Solution

The fourth proportional to 1,528,461.90, 2,293,315.61 and 770,521.81 is: 1,156,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,461.90 : 2,293,315.61 = 770,521.81 : x
  2. Step 2: Convert to fraction form
    1,528,461.90/2,293,315.61 = 770,521.81/x
  3. Step 3: Cross multiply
    1,528,461.90x = 2,293,315.61 × 770,521.81
  4. Step 4: Simplify right side
    1,528,461.90x = 1,767,049,700,451.74
  5. Step 5: Solve for x
    x = 1,767,049,700,451.74/1,528,461.90
  6. Step 6: Final answer
    x = 1,156,096.66

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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.