Home / 1,402,892.80-2,102,956.80-693,030.40

Finding the Fourth Proportional to 1,402,892.80, 2,102,956.80 and 693,030.40

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Solution

The fourth proportional to 1,402,892.80, 2,102,956.80 and 693,030.40 is: 1,038,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,892.80 : 2,102,956.80 = 693,030.40 : x
  2. Step 2: Convert to fraction form
    1,402,892.80/2,102,956.80 = 693,030.40/x
  3. Step 3: Cross multiply
    1,402,892.80x = 2,102,956.80 × 693,030.40
  4. Step 4: Simplify right side
    1,402,892.80x = 1,457,412,992,286.72
  5. Step 5: Solve for x
    x = 1,457,412,992,286.72/1,402,892.80
  6. Step 6: Final answer
    x = 1,038,862.69

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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.