Home / 1,030,130.60-1,421,726.04-571,346.60

Finding the Fourth Proportional to 1,030,130.60, 1,421,726.04 and 571,346.60

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Solution

The fourth proportional to 1,030,130.60, 1,421,726.04 and 571,346.60 is: 788,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,130.60 : 1,421,726.04 = 571,346.60 : x
  2. Step 2: Convert to fraction form
    1,030,130.60/1,421,726.04 = 571,346.60/x
  3. Step 3: Cross multiply
    1,030,130.60x = 1,421,726.04 × 571,346.60
  4. Step 4: Simplify right side
    1,030,130.60x = 812,298,331,976.83
  5. Step 5: Solve for x
    x = 812,298,331,976.83/1,030,130.60
  6. Step 6: Final answer
    x = 788,539.18

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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.