Home / 1,263,047.76-1,742,985.53-690,075.63

Finding the Fourth Proportional to 1,263,047.76, 1,742,985.53 and 690,075.63

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Solution

The fourth proportional to 1,263,047.76, 1,742,985.53 and 690,075.63 is: 952,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,047.76 : 1,742,985.53 = 690,075.63 : x
  2. Step 2: Convert to fraction form
    1,263,047.76/1,742,985.53 = 690,075.63/x
  3. Step 3: Cross multiply
    1,263,047.76x = 1,742,985.53 × 690,075.63
  4. Step 4: Simplify right side
    1,263,047.76x = 1,202,791,837,695.63
  5. Step 5: Solve for x
    x = 1,202,791,837,695.63/1,263,047.76
  6. Step 6: Final answer
    x = 952,293.24

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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.