Home / 1,054,575.54-1,455,307.02-571,129.74

Finding the Fourth Proportional to 1,054,575.54, 1,455,307.02 and 571,129.74

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Solution

The fourth proportional to 1,054,575.54, 1,455,307.02 and 571,129.74 is: 788,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,575.54 : 1,455,307.02 = 571,129.74 : x
  2. Step 2: Convert to fraction form
    1,054,575.54/1,455,307.02 = 571,129.74/x
  3. Step 3: Cross multiply
    1,054,575.54x = 1,455,307.02 × 571,129.74
  4. Step 4: Simplify right side
    1,054,575.54x = 831,169,119,952.78
  5. Step 5: Solve for x
    x = 831,169,119,952.78/1,054,575.54
  6. Step 6: Final answer
    x = 788,155.13

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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.