Home / 1,121,264.64-1,547,245.86-624,510.65

Finding the Fourth Proportional to 1,121,264.64, 1,547,245.86 and 624,510.65

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Solution

The fourth proportional to 1,121,264.64, 1,547,245.86 and 624,510.65 is: 861,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,264.64 : 1,547,245.86 = 624,510.65 : x
  2. Step 2: Convert to fraction form
    1,121,264.64/1,547,245.86 = 624,510.65/x
  3. Step 3: Cross multiply
    1,121,264.64x = 1,547,245.86 × 624,510.65
  4. Step 4: Simplify right side
    1,121,264.64x = 966,271,510,002.18
  5. Step 5: Solve for x
    x = 966,271,510,002.18/1,121,264.64
  6. Step 6: Final answer
    x = 861,769.36

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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.