Home / 1,121,499.58-1,547,649.51-638,054.32

Finding the Fourth Proportional to 1,121,499.58, 1,547,649.51 and 638,054.32

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Solution

The fourth proportional to 1,121,499.58, 1,547,649.51 and 638,054.32 is: 880,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,499.58 : 1,547,649.51 = 638,054.32 : x
  2. Step 2: Convert to fraction form
    1,121,499.58/1,547,649.51 = 638,054.32/x
  3. Step 3: Cross multiply
    1,121,499.58x = 1,547,649.51 × 638,054.32
  4. Step 4: Simplify right side
    1,121,499.58x = 987,484,455,701.38
  5. Step 5: Solve for x
    x = 987,484,455,701.38/1,121,499.58
  6. Step 6: Final answer
    x = 880,503.63

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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.