Home / 1,021,307.65-1,409,479.47-730,946.47

Finding the Fourth Proportional to 1,021,307.65, 1,409,479.47 and 730,946.47

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Solution

The fourth proportional to 1,021,307.65, 1,409,479.47 and 730,946.47 is: 1,008,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,307.65 : 1,409,479.47 = 730,946.47 : x
  2. Step 2: Convert to fraction form
    1,021,307.65/1,409,479.47 = 730,946.47/x
  3. Step 3: Cross multiply
    1,021,307.65x = 1,409,479.47 × 730,946.47
  4. Step 4: Simplify right side
    1,021,307.65x = 1,030,254,043,133.97
  5. Step 5: Solve for x
    x = 1,030,254,043,133.97/1,021,307.65
  6. Step 6: Final answer
    x = 1,008,759.74

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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.