Home / 1,047,239.66-1,570,828.12-289,127.40

Finding the Fourth Proportional to 1,047,239.66, 1,570,828.12 and 289,127.40

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Solution

The fourth proportional to 1,047,239.66, 1,570,828.12 and 289,127.40 is: 433,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,239.66 : 1,570,828.12 = 289,127.40 : x
  2. Step 2: Convert to fraction form
    1,047,239.66/1,570,828.12 = 289,127.40/x
  3. Step 3: Cross multiply
    1,047,239.66x = 1,570,828.12 × 289,127.40
  4. Step 4: Simplify right side
    1,047,239.66x = 454,169,450,182.49
  5. Step 5: Solve for x
    x = 454,169,450,182.49/1,047,239.66
  6. Step 6: Final answer
    x = 433,682.44

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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.