Home / 1,030,444.20-1,421,962.70-571,518.11

Finding the Fourth Proportional to 1,030,444.20, 1,421,962.70 and 571,518.11

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Solution

The fourth proportional to 1,030,444.20, 1,421,962.70 and 571,518.11 is: 788,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,444.20 : 1,421,962.70 = 571,518.11 : x
  2. Step 2: Convert to fraction form
    1,030,444.20/1,421,962.70 = 571,518.11/x
  3. Step 3: Cross multiply
    1,030,444.20x = 1,421,962.70 × 571,518.11
  4. Step 4: Simplify right side
    1,030,444.20x = 812,677,435,491.81
  5. Step 5: Solve for x
    x = 812,677,435,491.81/1,030,444.20
  6. Step 6: Final answer
    x = 788,667.10

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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.