Home / 1,271,075.15-1,754,085.17-690,298.67

Finding the Fourth Proportional to 1,271,075.15, 1,754,085.17 and 690,298.67

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Solution

The fourth proportional to 1,271,075.15, 1,754,085.17 and 690,298.67 is: 952,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,075.15 : 1,754,085.17 = 690,298.67 : x
  2. Step 2: Convert to fraction form
    1,271,075.15/1,754,085.17 = 690,298.67/x
  3. Step 3: Cross multiply
    1,271,075.15x = 1,754,085.17 × 690,298.67
  4. Step 4: Simplify right side
    1,271,075.15x = 1,210,842,666,028.68
  5. Step 5: Solve for x
    x = 1,210,842,666,028.68/1,271,075.15
  6. Step 6: Final answer
    x = 952,612.96

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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.