Home / 1,313,289.83-1,812,621.74-829,547.30

Finding the Fourth Proportional to 1,313,289.83, 1,812,621.74 and 829,547.30

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Solution

The fourth proportional to 1,313,289.83, 1,812,621.74 and 829,547.30 is: 1,144,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,289.83 : 1,812,621.74 = 829,547.30 : x
  2. Step 2: Convert to fraction form
    1,313,289.83/1,812,621.74 = 829,547.30/x
  3. Step 3: Cross multiply
    1,313,289.83x = 1,812,621.74 × 829,547.30
  4. Step 4: Simplify right side
    1,313,289.83x = 1,503,655,457,127.46
  5. Step 5: Solve for x
    x = 1,503,655,457,127.46/1,313,289.83
  6. Step 6: Final answer
    x = 1,144,953.25

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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.