Home / 999,432.27-1,379,212.41-540,547.36

Finding the Fourth Proportional to 999,432.27, 1,379,212.41 and 540,547.36

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Solution

The fourth proportional to 999,432.27, 1,379,212.41 and 540,547.36 is: 745,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,432.27 : 1,379,212.41 = 540,547.36 : x
  2. Step 2: Convert to fraction form
    999,432.27/1,379,212.41 = 540,547.36/x
  3. Step 3: Cross multiply
    999,432.27x = 1,379,212.41 × 540,547.36
  4. Step 4: Simplify right side
    999,432.27x = 745,529,625,683.76
  5. Step 5: Solve for x
    x = 745,529,625,683.76/999,432.27
  6. Step 6: Final answer
    x = 745,953.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.