Home / 1,089,118.40-1,502,957.44-592,389.80

Finding the Fourth Proportional to 1,089,118.40, 1,502,957.44 and 592,389.80

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Solution

The fourth proportional to 1,089,118.40, 1,502,957.44 and 592,389.80 is: 817,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,118.40 : 1,502,957.44 = 592,389.80 : x
  2. Step 2: Convert to fraction form
    1,089,118.40/1,502,957.44 = 592,389.80/x
  3. Step 3: Cross multiply
    1,089,118.40x = 1,502,957.44 × 592,389.80
  4. Step 4: Simplify right side
    1,089,118.40x = 890,336,657,290.11
  5. Step 5: Solve for x
    x = 890,336,657,290.11/1,089,118.40
  6. Step 6: Final answer
    x = 817,483.81

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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.