Home / 1,554,693.32-2,144,334.74-1,030,455.83

Finding the Fourth Proportional to 1,554,693.32, 2,144,334.74 and 1,030,455.83

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Solution

The fourth proportional to 1,554,693.32, 2,144,334.74 and 1,030,455.83 is: 1,421,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,693.32 : 2,144,334.74 = 1,030,455.83 : x
  2. Step 2: Convert to fraction form
    1,554,693.32/2,144,334.74 = 1,030,455.83/x
  3. Step 3: Cross multiply
    1,554,693.32x = 2,144,334.74 × 1,030,455.83
  4. Step 4: Simplify right side
    1,554,693.32x = 2,209,642,218,430.58
  5. Step 5: Solve for x
    x = 2,209,642,218,430.58/1,554,693.32
  6. Step 6: Final answer
    x = 1,421,272.09

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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.