Home / 1,431,446.74-1,975,421.04-786,894.10

Finding the Fourth Proportional to 1,431,446.74, 1,975,421.04 and 786,894.10

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Solution

The fourth proportional to 1,431,446.74, 1,975,421.04 and 786,894.10 is: 1,085,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,446.74 : 1,975,421.04 = 786,894.10 : x
  2. Step 2: Convert to fraction form
    1,431,446.74/1,975,421.04 = 786,894.10/x
  3. Step 3: Cross multiply
    1,431,446.74x = 1,975,421.04 × 786,894.10
  4. Step 4: Simplify right side
    1,431,446.74x = 1,554,447,161,391.86
  5. Step 5: Solve for x
    x = 1,554,447,161,391.86/1,431,446.74
  6. Step 6: Final answer
    x = 1,085,927.35

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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.