Home / 1,155,700.02-1,594,913.03-639,445.51

Finding the Fourth Proportional to 1,155,700.02, 1,594,913.03 and 639,445.51

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Solution

The fourth proportional to 1,155,700.02, 1,594,913.03 and 639,445.51 is: 882,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,700.02 : 1,594,913.03 = 639,445.51 : x
  2. Step 2: Convert to fraction form
    1,155,700.02/1,594,913.03 = 639,445.51/x
  3. Step 3: Cross multiply
    1,155,700.02x = 1,594,913.03 × 639,445.51
  4. Step 4: Simplify right side
    1,155,700.02x = 1,019,859,977,069.65
  5. Step 5: Solve for x
    x = 1,019,859,977,069.65/1,155,700.02
  6. Step 6: Final answer
    x = 882,460.81

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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.