Home / 1,092,128.40-1,637,803.80-493,376.40

Finding the Fourth Proportional to 1,092,128.40, 1,637,803.80 and 493,376.40

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Solution

The fourth proportional to 1,092,128.40, 1,637,803.80 and 493,376.40 is: 739,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,128.40 : 1,637,803.80 = 493,376.40 : x
  2. Step 2: Convert to fraction form
    1,092,128.40/1,637,803.80 = 493,376.40/x
  3. Step 3: Cross multiply
    1,092,128.40x = 1,637,803.80 × 493,376.40
  4. Step 4: Simplify right side
    1,092,128.40x = 808,053,742,750.32
  5. Step 5: Solve for x
    x = 808,053,742,750.32/1,092,128.40
  6. Step 6: Final answer
    x = 739,888.96

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1.5x scale

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.