Home / 1,564,566.32-2,158,731.52-885,502.80

Finding the Fourth Proportional to 1,564,566.32, 2,158,731.52 and 885,502.80

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Solution

The fourth proportional to 1,564,566.32, 2,158,731.52 and 885,502.80 is: 1,221,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,566.32 : 2,158,731.52 = 885,502.80 : x
  2. Step 2: Convert to fraction form
    1,564,566.32/2,158,731.52 = 885,502.80/x
  3. Step 3: Cross multiply
    1,564,566.32x = 2,158,731.52 × 885,502.80
  4. Step 4: Simplify right side
    1,564,566.32x = 1,911,562,805,408.26
  5. Step 5: Solve for x
    x = 1,911,562,805,408.26/1,564,566.32
  6. Step 6: Final answer
    x = 1,221,784.45

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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.