Home / 1,359,111.10-2,038,666.65-1,223,808.70

Finding the Fourth Proportional to 1,359,111.10, 2,038,666.65 and 1,223,808.70

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Solution

The fourth proportional to 1,359,111.10, 2,038,666.65 and 1,223,808.70 is: 1,835,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,111.10 : 2,038,666.65 = 1,223,808.70 : x
  2. Step 2: Convert to fraction form
    1,359,111.10/2,038,666.65 = 1,223,808.70/x
  3. Step 3: Cross multiply
    1,359,111.10x = 2,038,666.65 × 1,223,808.70
  4. Step 4: Simplify right side
    1,359,111.10x = 2,494,937,982,669.86
  5. Step 5: Solve for x
    x = 2,494,937,982,669.86/1,359,111.10
  6. Step 6: Final answer
    x = 1,835,713.05

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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.