Home / 1,121,581.46-1,547,780.93-719,172.50

Finding the Fourth Proportional to 1,121,581.46, 1,547,780.93 and 719,172.50

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Solution

The fourth proportional to 1,121,581.46, 1,547,780.93 and 719,172.50 is: 992,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,581.46 : 1,547,780.93 = 719,172.50 : x
  2. Step 2: Convert to fraction form
    1,121,581.46/1,547,780.93 = 719,172.50/x
  3. Step 3: Cross multiply
    1,121,581.46x = 1,547,780.93 × 719,172.50
  4. Step 4: Simplify right side
    1,121,581.46x = 1,113,121,480,880.43
  5. Step 5: Solve for x
    x = 1,113,121,480,880.43/1,121,581.46
  6. Step 6: Final answer
    x = 992,457.10

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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.