Home / 1,671,875.69-2,507,023.08-647,685.65

Finding the Fourth Proportional to 1,671,875.69, 2,507,023.08 and 647,685.65

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Solution

The fourth proportional to 1,671,875.69, 2,507,023.08 and 647,685.65 is: 971,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,875.69 : 2,507,023.08 = 647,685.65 : x
  2. Step 2: Convert to fraction form
    1,671,875.69/2,507,023.08 = 647,685.65/x
  3. Step 3: Cross multiply
    1,671,875.69x = 2,507,023.08 × 647,685.65
  4. Step 4: Simplify right side
    1,671,875.69x = 1,623,762,879,402.36
  5. Step 5: Solve for x
    x = 1,623,762,879,402.36/1,671,875.69
  6. Step 6: Final answer
    x = 971,222.26

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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.