Home / 1,386,038.35-2,079,057.53-676,521.55

Finding the Fourth Proportional to 1,386,038.35, 2,079,057.53 and 676,521.55

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Solution

The fourth proportional to 1,386,038.35, 2,079,057.53 and 676,521.55 is: 1,014,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,038.35 : 2,079,057.53 = 676,521.55 : x
  2. Step 2: Convert to fraction form
    1,386,038.35/2,079,057.53 = 676,521.55/x
  3. Step 3: Cross multiply
    1,386,038.35x = 2,079,057.53 × 676,521.55
  4. Step 4: Simplify right side
    1,386,038.35x = 1,406,527,219,352.16
  5. Step 5: Solve for x
    x = 1,406,527,219,352.16/1,386,038.35
  6. Step 6: Final answer
    x = 1,014,782.33

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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.