Home / 1,488,809.91-2,053,898.77-915,511.35

Finding the Fourth Proportional to 1,488,809.91, 2,053,898.77 and 915,511.35

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Solution

The fourth proportional to 1,488,809.91, 2,053,898.77 and 915,511.35 is: 1,263,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,809.91 : 2,053,898.77 = 915,511.35 : x
  2. Step 2: Convert to fraction form
    1,488,809.91/2,053,898.77 = 915,511.35/x
  3. Step 3: Cross multiply
    1,488,809.91x = 2,053,898.77 × 915,511.35
  4. Step 4: Simplify right side
    1,488,809.91x = 1,880,367,635,686.04
  5. Step 5: Solve for x
    x = 1,880,367,635,686.04/1,488,809.91
  6. Step 6: Final answer
    x = 1,263,000.48

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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.