Home / 1,297,275.28-1,944,333.66-918,303.40

Finding the Fourth Proportional to 1,297,275.28, 1,944,333.66 and 918,303.40

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Solution

The fourth proportional to 1,297,275.28, 1,944,333.66 and 918,303.40 is: 1,376,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,275.28 : 1,944,333.66 = 918,303.40 : x
  2. Step 2: Convert to fraction form
    1,297,275.28/1,944,333.66 = 918,303.40/x
  3. Step 3: Cross multiply
    1,297,275.28x = 1,944,333.66 × 918,303.40
  4. Step 4: Simplify right side
    1,297,275.28x = 1,785,488,210,712.44
  5. Step 5: Solve for x
    x = 1,785,488,210,712.44/1,297,275.28
  6. Step 6: Final answer
    x = 1,376,337.19

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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.