Home / 990,460.60-1,366,814.40-537,751.60

Finding the Fourth Proportional to 990,460.60, 1,366,814.40 and 537,751.60

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Solution

The fourth proportional to 990,460.60, 1,366,814.40 and 537,751.60 is: 742,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,460.60 : 1,366,814.40 = 537,751.60 : x
  2. Step 2: Convert to fraction form
    990,460.60/1,366,814.40 = 537,751.60/x
  3. Step 3: Cross multiply
    990,460.60x = 1,366,814.40 × 537,751.60
  4. Step 4: Simplify right side
    990,460.60x = 735,006,630,503.04
  5. Step 5: Solve for x
    x = 735,006,630,503.04/990,460.60
  6. Step 6: Final answer
    x = 742,085.68

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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.