Home / 1,316,499.66-1,974,547.80-417,824.91

Finding the Fourth Proportional to 1,316,499.66, 1,974,547.80 and 417,824.91

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Solution

The fourth proportional to 1,316,499.66, 1,974,547.80 and 417,824.91 is: 626,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,499.66 : 1,974,547.80 = 417,824.91 : x
  2. Step 2: Convert to fraction form
    1,316,499.66/1,974,547.80 = 417,824.91/x
  3. Step 3: Cross multiply
    1,316,499.66x = 1,974,547.80 × 417,824.91
  4. Step 4: Simplify right side
    1,316,499.66x = 825,015,256,825.70
  5. Step 5: Solve for x
    x = 825,015,256,825.70/1,316,499.66
  6. Step 6: Final answer
    x = 626,673.35

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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.