Home / 1,129,038.40-1,692,175.20-497,281.60

Finding the Fourth Proportional to 1,129,038.40, 1,692,175.20 and 497,281.60

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Solution

The fourth proportional to 1,129,038.40, 1,692,175.20 and 497,281.60 is: 745,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,038.40 : 1,692,175.20 = 497,281.60 : x
  2. Step 2: Convert to fraction form
    1,129,038.40/1,692,175.20 = 497,281.60/x
  3. Step 3: Cross multiply
    1,129,038.40x = 1,692,175.20 × 497,281.60
  4. Step 4: Simplify right side
    1,129,038.40x = 841,487,590,936.32
  5. Step 5: Solve for x
    x = 841,487,590,936.32/1,129,038.40
  6. Step 6: Final answer
    x = 745,313.53

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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.