Home / 1,870,730.40-2,806,095.60-672,691.80

Finding the Fourth Proportional to 1,870,730.40, 2,806,095.60 and 672,691.80

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Solution

The fourth proportional to 1,870,730.40, 2,806,095.60 and 672,691.80 is: 1,009,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,730.40 : 2,806,095.60 = 672,691.80 : x
  2. Step 2: Convert to fraction form
    1,870,730.40/2,806,095.60 = 672,691.80/x
  3. Step 3: Cross multiply
    1,870,730.40x = 2,806,095.60 × 672,691.80
  4. Step 4: Simplify right side
    1,870,730.40x = 1,887,637,500,136.08
  5. Step 5: Solve for x
    x = 1,887,637,500,136.08/1,870,730.40
  6. Step 6: Final answer
    x = 1,009,037.70

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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.