Home / 1,263,047.68-1,742,985.48-690,075.58

Finding the Fourth Proportional to 1,263,047.68, 1,742,985.48 and 690,075.58

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Solution

The fourth proportional to 1,263,047.68, 1,742,985.48 and 690,075.58 is: 952,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,047.68 : 1,742,985.48 = 690,075.58 : x
  2. Step 2: Convert to fraction form
    1,263,047.68/1,742,985.48 = 690,075.58/x
  3. Step 3: Cross multiply
    1,263,047.68x = 1,742,985.48 × 690,075.58
  4. Step 4: Simplify right side
    1,263,047.68x = 1,202,791,716,042.58
  5. Step 5: Solve for x
    x = 1,202,791,716,042.58/1,263,047.68
  6. Step 6: Final answer
    x = 952,293.20

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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.