Home / 1,124,442.89-1,551,733.08-665,927.36

Finding the Fourth Proportional to 1,124,442.89, 1,551,733.08 and 665,927.36

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Solution

The fourth proportional to 1,124,442.89, 1,551,733.08 and 665,927.36 is: 918,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,442.89 : 1,551,733.08 = 665,927.36 : x
  2. Step 2: Convert to fraction form
    1,124,442.89/1,551,733.08 = 665,927.36/x
  3. Step 3: Cross multiply
    1,124,442.89x = 1,551,733.08 × 665,927.36
  4. Step 4: Simplify right side
    1,124,442.89x = 1,033,341,513,389.07
  5. Step 5: Solve for x
    x = 1,033,341,513,389.07/1,124,442.89
  6. Step 6: Final answer
    x = 918,980.88

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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.