Home / 1,128,170.06-1,556,895.80-692,368.97

Finding the Fourth Proportional to 1,128,170.06, 1,556,895.80 and 692,368.97

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Solution

The fourth proportional to 1,128,170.06, 1,556,895.80 and 692,368.97 is: 955,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,170.06 : 1,556,895.80 = 692,368.97 : x
  2. Step 2: Convert to fraction form
    1,128,170.06/1,556,895.80 = 692,368.97/x
  3. Step 3: Cross multiply
    1,128,170.06x = 1,556,895.80 × 692,368.97
  4. Step 4: Simplify right side
    1,128,170.06x = 1,077,946,335,389.77
  5. Step 5: Solve for x
    x = 1,077,946,335,389.77/1,128,170.06
  6. Step 6: Final answer
    x = 955,482.13

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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.