Home / 1,057,715.12-1,585,224.84-495,510.32

Finding the Fourth Proportional to 1,057,715.12, 1,585,224.84 and 495,510.32

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Solution

The fourth proportional to 1,057,715.12, 1,585,224.84 and 495,510.32 is: 742,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,715.12 : 1,585,224.84 = 495,510.32 : x
  2. Step 2: Convert to fraction form
    1,057,715.12/1,585,224.84 = 495,510.32/x
  3. Step 3: Cross multiply
    1,057,715.12x = 1,585,224.84 × 495,510.32
  4. Step 4: Simplify right side
    1,057,715.12x = 785,495,267,740.35
  5. Step 5: Solve for x
    x = 785,495,267,740.35/1,057,715.12
  6. Step 6: Final answer
    x = 742,634.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.