Home / 1,280,626.04-1,767,264.54-707,666.20

Finding the Fourth Proportional to 1,280,626.04, 1,767,264.54 and 707,666.20

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Solution

The fourth proportional to 1,280,626.04, 1,767,264.54 and 707,666.20 is: 976,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,626.04 : 1,767,264.54 = 707,666.20 : x
  2. Step 2: Convert to fraction form
    1,280,626.04/1,767,264.54 = 707,666.20/x
  3. Step 3: Cross multiply
    1,280,626.04x = 1,767,264.54 × 707,666.20
  4. Step 4: Simplify right side
    1,280,626.04x = 1,250,633,381,416.55
  5. Step 5: Solve for x
    x = 1,250,633,381,416.55/1,280,626.04
  6. Step 6: Final answer
    x = 976,579.69

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1.5x scale

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.