Home / 1,416,851.79-1,955,275.18-772,270.80

Finding the Fourth Proportional to 1,416,851.79, 1,955,275.18 and 772,270.80

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Solution

The fourth proportional to 1,416,851.79, 1,955,275.18 and 772,270.80 is: 1,065,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,851.79 : 1,955,275.18 = 772,270.80 : x
  2. Step 2: Convert to fraction form
    1,416,851.79/1,955,275.18 = 772,270.80/x
  3. Step 3: Cross multiply
    1,416,851.79x = 1,955,275.18 × 772,270.80
  4. Step 4: Simplify right side
    1,416,851.79x = 1,510,001,925,548.07
  5. Step 5: Solve for x
    x = 1,510,001,925,548.07/1,416,851.79
  6. Step 6: Final answer
    x = 1,065,744.45

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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.