Home / 1,564,543.72-2,158,700.28-885,480.22

Finding the Fourth Proportional to 1,564,543.72, 2,158,700.28 and 885,480.22

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Solution

The fourth proportional to 1,564,543.72, 2,158,700.28 and 885,480.22 is: 1,221,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,543.72 : 2,158,700.28 = 885,480.22 : x
  2. Step 2: Convert to fraction form
    1,564,543.72/2,158,700.28 = 885,480.22/x
  3. Step 3: Cross multiply
    1,564,543.72x = 2,158,700.28 × 885,480.22
  4. Step 4: Simplify right side
    1,564,543.72x = 1,911,486,398,848.46
  5. Step 5: Solve for x
    x = 1,911,486,398,848.46/1,564,543.72
  6. Step 6: Final answer
    x = 1,221,753.27

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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.